#99A4E4
Closest named color: Periwinkle Blue (#8F99FB). oklch(73.4% 0.094 276.3), rgb(153, 164, 228).
Aa
Black text reads best on this color (8.78:1).
About this color
#99A4E4 is a medium-light, moderately saturated blue. In OKLCH its lightness is 73%, its chroma 0.094 and its hue 276°. Its hue sits on the cool side of the wheel. The nearest named color is Periwinkle Blue (#8F99FB), ΔE 0.052 away. Black text reads best on it, at 8.78:1.
| Hue family | Blues |
| Lightness | medium-light (73%) |
| Chroma | moderately saturated (0.094) |
| Temperature | cool |
| Nearest name | Periwinkle Blue (#8F99FB) |
| Black text | 8.78:1 |
| White text | 2.39:1 |
Values
| HEX | #99A4E4 |
| RGB | rgb(153, 164, 228) |
| HSL | hsl(231, 58%, 75%) |
| OKLCH | oklch(73.4% 0.094 276.3) |
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 #99A4E4 | 2.39:1 | Fails | Lc -52.0 | Large or bold text, headings |
| Black text on #99A4E4 | 8.78:1 | AAA | Lc 56.9 | Large or bold text, headings |
| #99A4E4 text on white | 2.39:1 | Fails | Lc 47.1 | Large or bold text, headings |
| #99A4E4 text on black | 8.78:1 | AAA | Lc -55.0 | 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
#F4F5FB
oklch(97.1% 0.008 278.6)
-
Step 100
100
#E6E9F5
oklch(93.5% 0.016 274.8)
-
Step 200
200
#D3D8EF
oklch(88.5% 0.032 276)
-
Step 300
300
#B6BEE7
oklch(80.9% 0.059 276.4)
-
Step 400
400 (this color)
#99A4E4
oklch(73.4% 0.094 276.3)
-
Step 500
500
#7782D1
oklch(63.2% 0.119 276.4)
-
Step 600
600
#606ABE
oklch(55.6% 0.13 276.2)
-
Step 700
700
#5058A4
oklch(49.2% 0.121 276.5)
-
Step 800
800
#414885
oklch(42.7% 0.101 276.3)
-
Step 900
900
#373D6A
oklch(37.7% 0.077 276.3)
-
Step 950
950
#20243E
oklch(27% 0.049 276)
#99A4E4 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) | #90ABE7 | 0.020 |
| Deuteranopia (no green cones) | #8BA5E2 | 0.018 |
| Tritanopia (no blue cones) | #85B0BA | 0.084 |
| Achromatopsia (no color) | #A8A8A8 | 0.094 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #99A4E4
#99A4E4
oklch(73.4% 0.094 276.3)
- #BAA962
#BAA962
oklch(73.4% 0.094 96.3)
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 #99A4E4, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Periwinkle Blue #8F99FB ΔE 0.052
- Carolina Blue #8AB8FE ΔE 0.057
- Pale Purple #B790D4 ΔE 0.062
- Perrywinkle #8F8CE7 ΔE 0.067
- Pastel Blue #A2BFFE ΔE 0.074
- Cool Steel #97A7B3 ΔE 0.076
- Light Grey Blue #9DBCD4 ΔE 0.076
- Baby Purple #CA9BF7 ΔE 0.080
Use #99A4E4 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.