#99A4FF
Closest named color: Periwinkle Blue (#8F99FB). oklch(74.7% 0.131 277.5), rgb(153, 164, 255).
Aa
Black text reads best on this color (9.10:1).
About this color
#99A4FF is a medium-light, moderately saturated blue. In OKLCH its lightness is 75%, its chroma 0.131 and its hue 277°. Its hue sits on the cool side of the wheel. The nearest named color is Periwinkle Blue (#8F99FB), ΔE 0.032 away. Black text reads best on it, at 9.10:1.
| Hue family | Blues |
| Lightness | medium-light (75%) |
| Chroma | moderately saturated (0.131) |
| Temperature | cool |
| Nearest name | Periwinkle Blue (#8F99FB) |
| Black text | 9.10:1 |
| White text | 2.30:1 |
Values
| HEX | #99A4FF |
| RGB | rgb(153, 164, 255) |
| HSL | hsl(234, 100%, 80%) |
| OKLCH | oklch(74.7% 0.131 277.5) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #99A4FF | 2.30:1 | Fails | Lc -50.3 | Large or bold text, headings |
| Black text on #99A4FF | 9.10:1 | AAA | Lc 58.6 | Large or bold text, headings |
| #99A4FF text on white | 2.30:1 | Fails | Lc 45.4 | Large or bold text, headings |
| #99A4FF text on black | 9.10:1 | AAA | Lc -56.7 | Large or bold text, headings |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 400.
-
Step 50
50
#F3F5FD
oklch(97.1% 0.011 274.9)
-
Step 100
100
#E6E9FA
oklch(93.7% 0.023 277.9)
-
Step 200
200
#D1D7F8
oklch(88.5% 0.046 277.3)
-
Step 300
300
#B3BCF6
oklch(80.9% 0.083 277.5)
-
Step 400
400 (this color)
#99A4FF
oklch(74.7% 0.131 277.5)
-
Step 500
500
#737BEC
oklch(63.1% 0.167 277.4)
-
Step 600
600
#5D61DB
oklch(55.6% 0.183 277.2)
-
Step 700
700
#4D4FBE
oklch(49% 0.17 277.3)
-
Step 800
800
#3F429A
oklch(42.8% 0.141 277.2)
-
Step 900
900
#35397A
oklch(37.8% 0.109 277.2)
-
Step 950
950
#1F2248
oklch(27.1% 0.07 277.3)
#99A4FF with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #85AFFF | 0.035 |
| Deuteranopia (no green cones) | #7EA7FD | 0.033 |
| Tritanopia (no blue cones) | #79B6C6 | 0.116 |
| Achromatopsia (no color) | #ABABAB | 0.132 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #99A4FF
#99A4FF
oklch(74.7% 0.131 277.5)
- #C4AD3D
#C4AD3D
oklch(74.7% 0.131 97.4)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #99A4FF, closest first.
No curated palette has a color within ΔE 0.04 of #99A4FF.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Periwinkle Blue #8F99FB ΔE 0.032
- Carolina Blue #8AB8FE ΔE 0.054
- Perrywinkle #8F8CE7 ΔE 0.068
- Pastel Purple #CAA0FF ΔE 0.070
- Baby Purple #CA9BF7 ΔE 0.071
- Pastel Blue #A2BFFE ΔE 0.074
- Lavender Blue #8B88F8 ΔE 0.075
- Lilac #CEA2FD ΔE 0.075
Use #99A4FF in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.