#8B9BBB
Closest named color: Cool Gray (#8D99AE). oklch(68.8% 0.051 264.2), rgb(139, 155, 187).
Aa
Black text reads best on this color (7.50:1).
About this color
#8B9BBB is a medium-light, muted blue. In OKLCH its lightness is 69%, its chroma 0.051 and its hue 264°. Its hue sits on the cool side of the wheel. The nearest named color is Cool Gray (#8D99AE), ΔE 0.019 away. Black text reads best on it, at 7.50:1.
| Hue family | Blues |
| Lightness | medium-light (69%) |
| Chroma | muted (0.051) |
| Temperature | cool |
| Nearest name | Cool Gray (#8D99AE) |
| Black text | 7.50:1 |
| White text | 2.79:1 |
Values
| HEX | #8B9BBB |
| RGB | rgb(139, 155, 187) |
| HSL | hsl(220, 26%, 64%) |
| OKLCH | oklch(68.8% 0.051 264.2) |
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 #8B9BBB | 2.79:1 | Fails | Lc -59.1 | Large or bold text, headings |
| Black text on #8B9BBB | 7.50:1 | AAA | Lc 50.2 | Large or bold text, headings |
| #8B9BBB text on white | 2.79:1 | Fails | Lc 53.9 | Large or bold text, headings |
| #8B9BBB text on black | 7.50:1 | AAA | Lc -48.0 | 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
#F4F5F8
oklch(97% 0.004 271.4)
-
Step 100
100
#E7EAF0
oklch(93.6% 0.009 264.5)
-
Step 200
200
#D3D9E5
oklch(88.4% 0.018 264.5)
-
Step 300
300
#B6C1D6
oklch(80.9% 0.032 263.5)
-
Step 400
400 (this color)
#8B9BBB
oklch(68.8% 0.051 264.2)
-
Step 500
500
#7689B1
oklch(63% 0.065 264.8)
-
Step 600
600
#5E739D
oklch(55.6% 0.07 263.7)
-
Step 700
700
#4E6086
oklch(49% 0.065 264.6)
-
Step 800
800
#404F6D
oklch(42.8% 0.054 263.8)
-
Step 900
900
#364158
oklch(37.6% 0.042 264.6)
-
Step 950
950
#202634
oklch(26.9% 0.028 266.5)
#8B9BBB 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) | #919DBD | 0.010 |
| Deuteranopia (no green cones) | #8C99BA | 0.005 |
| Tritanopia (no blue cones) | #7EA1A6 | 0.044 |
| Achromatopsia (no color) | #9A9A9A | 0.051 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #8B9BBB
#8B9BBB
oklch(68.8% 0.051 264.2)
- #AA9977
#AA9977
oklch(68.9% 0.051 84.4)
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 #8B9BBB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cool Gray #8D99AE ΔE 0.019
- Bluey Grey #89A0B0 ΔE 0.025
- Bluegrey #85A3B2 ΔE 0.030
- Greyblue #77A1B5 ΔE 0.032
- Cool Steel #97A7B3 ΔE 0.043
- Cool Grey #95A3A6 ΔE 0.046
- Silver Lake Blue #778DA9 ΔE 0.053
- Blue Grey #758DA3 ΔE 0.058
Use #8B9BBB 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.