#99A4DA
Closest named color: Cool Steel (#97A7B3). oklch(73% 0.079 275.3), rgb(153, 164, 218).
Aa
Black text reads best on this color (8.67:1).
About this color
#99A4DA is a medium-light, moderately saturated blue. In OKLCH its lightness is 73%, its chroma 0.079 and its hue 275°. Its hue sits on the cool side of the wheel. The nearest named color is Cool Steel (#97A7B3), ΔE 0.061 away. Black text reads best on it, at 8.67:1.
| Hue family | Blues |
| Lightness | medium-light (73%) |
| Chroma | moderately saturated (0.079) |
| Temperature | cool |
| Nearest name | Cool Steel (#97A7B3) |
| Black text | 8.67:1 |
| White text | 2.42:1 |
Values
| HEX | #99A4DA |
| RGB | rgb(153, 164, 218) |
| HSL | hsl(230, 47%, 73%) |
| OKLCH | oklch(73% 0.079 275.3) |
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 #99A4DA | 2.42:1 | Fails | Lc -52.6 | Large or bold text, headings |
| Black text on #99A4DA | 8.67:1 | AAA | Lc 56.4 | Large or bold text, headings |
| #99A4DA text on white | 2.42:1 | Fails | Lc 47.6 | Large or bold text, headings |
| #99A4DA text on black | 8.67:1 | AAA | Lc -54.4 | 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
#F4F5FA
oklch(97.1% 0.007 277.2)
-
Step 100
100
#E7E9F4
oklch(93.6% 0.015 277.8)
-
Step 200
200
#D3D8EC
oklch(88.4% 0.028 274.6)
-
Step 300
300
#B7BFE1
oklch(81% 0.049 274.8)
-
Step 400
400 (this color)
#99A4DA
oklch(73% 0.079 275.3)
-
Step 500
500
#7884C7
oklch(63.1% 0.102 275.4)
-
Step 600
600
#616DB3
oklch(55.6% 0.109 274.9)
-
Step 700
700
#515A9A
oklch(49% 0.103 275.9)
-
Step 800
800
#424A7D
oklch(42.7% 0.085 275.5)
-
Step 900
900
#383E65
oklch(37.7% 0.067 276)
-
Step 950
950
#21253B
oklch(27.2% 0.041 275.4)
#99A4DA 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) | #94A9DC | 0.014 |
| Deuteranopia (no green cones) | #8FA4D9 | 0.013 |
| Tritanopia (no blue cones) | #88AEB7 | 0.070 |
| Achromatopsia (no color) | #A6A6A6 | 0.080 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #99A4DA
#99A4DA
oklch(73% 0.079 275.3)
- #B7A86D
#B7A86D
oklch(73.1% 0.08 95.6)
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 #99A4DA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cool Steel #97A7B3 ΔE 0.061
- Pale Purple #B790D4 ΔE 0.062
- Carolina Blue #8AB8FE ΔE 0.064
- Periwinkle Blue #8F99FB ΔE 0.065
- Bluey Grey #89A0B0 ΔE 0.066
- Bluegrey #85A3B2 ΔE 0.067
- Cool Gray #8D99AE ΔE 0.068
- Light Grey Blue #9DBCD4 ΔE 0.069
Use #99A4DA 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.