#99A4FA
Closest named color: Periwinkle Blue (#8F99FB). oklch(74.4% 0.125 277.4), rgb(153, 164, 250).
Aa
Black text reads best on this color (9.04:1).
About this color
#99A4FA is a medium-light, moderately saturated blue. In OKLCH its lightness is 74%, its chroma 0.125 and its hue 277°. Its hue sits on the cool side of the wheel. The nearest named color is Periwinkle Blue (#8F99FB), ΔE 0.033 away. Black text reads best on it, at 9.04:1.
| Hue family | Blues |
| Lightness | medium-light (74%) |
| Chroma | moderately saturated (0.125) |
| Temperature | cool |
| Nearest name | Periwinkle Blue (#8F99FB) |
| Black text | 9.04:1 |
| White text | 2.32:1 |
Values
| HEX | #99A4FA |
| RGB | rgb(153, 164, 250) |
| HSL | hsl(233, 91%, 79%) |
| OKLCH | oklch(74.4% 0.125 277.4) |
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 #99A4FA | 2.32:1 | Fails | Lc -50.6 | Large or bold text, headings |
| Black text on #99A4FA | 9.04:1 | AAA | Lc 58.3 | Large or bold text, headings |
| #99A4FA text on white | 2.32:1 | Fails | Lc 45.7 | Large or bold text, headings |
| #99A4FA text on black | 9.04:1 | AAA | Lc -56.4 | 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
#E6E9F9
oklch(93.6% 0.022 277.5)
-
Step 200
200
#D1D7F6
oklch(88.4% 0.043 276.8)
-
Step 300
300
#B4BDF3
oklch(81% 0.077 277.2)
-
Step 400
400 (this color)
#99A4FA
oklch(74.4% 0.125 277.4)
-
Step 500
500
#747CE7
oklch(63% 0.159 277.6)
-
Step 600
600
#5E63D6
oklch(55.7% 0.173 277.3)
-
Step 700
700
#4E51B9
oklch(49.1% 0.161 277.5)
-
Step 800
800
#404396
oklch(42.8% 0.133 277.6)
-
Step 900
900
#353977
oklch(37.6% 0.104 277.4)
-
Step 950
950
#1F2246
oklch(27% 0.066 277.4)
#99A4FA 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) | #87AEFD | 0.031 |
| Deuteranopia (no green cones) | #81A7F8 | 0.030 |
| Tritanopia (no blue cones) | #7CB5C3 | 0.111 |
| Achromatopsia (no color) | #AAAAAA | 0.125 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #99A4FA
#99A4FA
oklch(74.4% 0.125 277.4)
- #C2AC45
#C2AC45
oklch(74.4% 0.124 97.2)
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 #99A4FA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Periwinkle Blue #8F99FB ΔE 0.033
- Carolina Blue #8AB8FE ΔE 0.052
- Perrywinkle #8F8CE7 ΔE 0.066
- Pastel Purple #CAA0FF ΔE 0.071
- Baby Purple #CA9BF7 ΔE 0.071
- Pastel Blue #A2BFFE ΔE 0.072
- Pale Purple #B790D4 ΔE 0.074
- Lavender Blue #8B88F8 ΔE 0.076
Use #99A4FA 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.