#8A99BC
Closest named color: Cool Gray (#8D99AE). oklch(68.4% 0.055 266.8), rgb(138, 153, 188).
Aa
Black text reads best on this color (7.36:1).
About this color
#8A99BC is a medium-light, muted blue. In OKLCH its lightness is 68%, its chroma 0.055 and its hue 267°. Its hue sits on the cool side of the wheel. The nearest named color is Cool Gray (#8D99AE), ΔE 0.021 away. Black text reads best on it, at 7.36:1.
| Hue family | Blues |
| Lightness | medium-light (68%) |
| Chroma | muted (0.055) |
| Temperature | cool |
| Nearest name | Cool Gray (#8D99AE) |
| Black text | 7.36:1 |
| White text | 2.85:1 |
Values
| HEX | #8A99BC |
| RGB | rgb(138, 153, 188) |
| HSL | hsl(222, 27%, 64%) |
| OKLCH | oklch(68.4% 0.055 266.8) |
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 #8A99BC | 2.85:1 | Fails | Lc -59.9 | Large or bold text, headings |
| Black text on #8A99BC | 7.36:1 | AAA | Lc 49.4 | Large or bold text, headings |
| #8A99BC text on white | 2.85:1 | Fails | Lc 54.6 | Large or bold text, headings |
| #8A99BC text on black | 7.36:1 | AAA | Lc -47.2 | 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
#F4F5F9
oklch(97.1% 0.005 275)
-
Step 100
100
#E7EAF1
oklch(93.7% 0.01 267.4)
-
Step 200
200
#D3D9E6
oklch(88.5% 0.019 266)
-
Step 300
300
#B7C1D7
oklch(81% 0.033 266.1)
-
Step 400
400 (this color)
#8A99BC
oklch(68.4% 0.055 266.8)
-
Step 500
500
#7689B4
oklch(63.1% 0.069 266)
-
Step 600
600
#5F72A0
oklch(55.6% 0.075 266.7)
-
Step 700
700
#4E5F89
oklch(49% 0.071 266.9)
-
Step 800
800
#404E6F
oklch(42.6% 0.058 266.3)
-
Step 900
900
#37415A
oklch(37.7% 0.045 267.4)
-
Step 950
950
#202635
oklch(27% 0.029 267.5)
#8A99BC 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) | #8E9BBE | 0.008 |
| Deuteranopia (no green cones) | #8A97BB | 0.005 |
| Tritanopia (no blue cones) | #7DA0A5 | 0.049 |
| Achromatopsia (no color) | #999999 | 0.055 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #8A99BC
#8A99BC
oklch(68.4% 0.055 266.8)
- #A89873
#A89873
oklch(68.4% 0.055 87.3)
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 #8A99BC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cool Gray #8D99AE ΔE 0.021
- Bluey Grey #89A0B0 ΔE 0.031
- Greyblue #77A1B5 ΔE 0.035
- Bluegrey #85A3B2 ΔE 0.036
- Silver Lake Blue #778DA9 ΔE 0.049
- Cool Steel #97A7B3 ΔE 0.050
- Cool Grey #95A3A6 ΔE 0.052
- Blue Grey #758DA3 ΔE 0.055
Use #8A99BC 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.