#99A8CA
Closest named color: Cool Steel (#97A7B3). oklch(73.2% 0.052 266.4), rgb(153, 168, 202).
Aa
Black text reads best on this color (8.80:1).
About this color
#99A8CA is a medium-light, muted blue. In OKLCH its lightness is 73%, its chroma 0.052 and its hue 266°. Its hue sits on the cool side of the wheel. The nearest named color is Cool Steel (#97A7B3), ΔE 0.034 away. Black text reads best on it, at 8.80:1.
| Hue family | Blues |
| Lightness | medium-light (73%) |
| Chroma | muted (0.052) |
| Temperature | cool |
| Nearest name | Cool Steel (#97A7B3) |
| Black text | 8.80:1 |
| White text | 2.38:1 |
Values
| HEX | #99A8CA |
| RGB | rgb(153, 168, 202) |
| HSL | hsl(222, 32%, 70%) |
| OKLCH | oklch(73.2% 0.052 266.4) |
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 #99A8CA | 2.38:1 | Fails | Lc -51.9 | Large or bold text, headings |
| Black text on #99A8CA | 8.80:1 | AAA | Lc 57.0 | Large or bold text, headings |
| #99A8CA text on white | 2.38:1 | Fails | Lc 47.0 | Large or bold text, headings |
| #99A8CA text on black | 8.80:1 | AAA | Lc -55.1 | 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
#F4F5F8
oklch(97% 0.004 271.4)
-
Step 100
100
#E7EAF0
oklch(93.6% 0.009 264.5)
-
Step 200
200
#D3D9E6
oklch(88.5% 0.019 266)
-
Step 300
300
#B7C1D6
oklch(81% 0.032 265.3)
-
Step 400
400 (this color)
#99A8CA
oklch(73.2% 0.052 266.4)
-
Step 500
500
#7789B3
oklch(63.2% 0.067 266.5)
-
Step 600
600
#60729E
oklch(55.5% 0.072 266.9)
-
Step 700
700
#4F6088
oklch(49.2% 0.068 266.3)
-
Step 800
800
#414E6E
oklch(42.7% 0.056 267)
-
Step 900
900
#374159
oklch(37.7% 0.043 266.8)
-
Step 950
950
#202634
oklch(26.9% 0.028 266.5)
#99A8CA 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) | #9EAACC | 0.009 |
| Deuteranopia (no green cones) | #99A6C9 | 0.005 |
| Tritanopia (no blue cones) | #8DAFB3 | 0.047 |
| Achromatopsia (no color) | #A8A8A8 | 0.052 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #99A8CA
#99A8CA
oklch(73.2% 0.052 266.4)
- #B7A783
#B7A783
oklch(73.3% 0.053 86.8)
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 #99A8CA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cool Steel #97A7B3 ΔE 0.034
- Bluegrey #85A3B2 ΔE 0.046
- Bluey Grey #89A0B0 ΔE 0.047
- Cool Grey #95A3A6 ΔE 0.052
- Dark Gray #A9A9A9 ΔE 0.052
- Light Grey Blue #9DBCD4 ΔE 0.053
- French Gray #ADB5BD ΔE 0.054
- Cool Gray #8D99AE ΔE 0.054
Use #99A8CA 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.