#8F99BC
Closest named color: Cool Gray (#8D99AE). oklch(68.7% 0.053 272.5), rgb(143, 153, 188).
Aa
Black text reads best on this color (7.45:1).
About this color
#8F99BC is a medium-light, muted blue. In OKLCH its lightness is 69%, its chroma 0.053 and its hue 272°. Its hue sits on the cool side of the wheel. The nearest named color is Cool Gray (#8D99AE), ΔE 0.022 away. Black text reads best on it, at 7.45:1.
| Hue family | Blues |
| Lightness | medium-light (69%) |
| Chroma | muted (0.053) |
| Temperature | cool |
| Nearest name | Cool Gray (#8D99AE) |
| Black text | 7.45:1 |
| White text | 2.81:1 |
Values
| HEX | #8F99BC |
| RGB | rgb(143, 153, 188) |
| HSL | hsl(227, 25%, 65%) |
| OKLCH | oklch(68.7% 0.053 272.5) |
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 #8F99BC | 2.81:1 | Fails | Lc -59.4 | Large or bold text, headings |
| Black text on #8F99BC | 7.45:1 | AAA | Lc 49.9 | Large or bold text, headings |
| #8F99BC text on white | 2.81:1 | Fails | Lc 54.2 | Large or bold text, headings |
| #8F99BC text on black | 7.45:1 | AAA | Lc -47.7 | 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
#D5D9E6
oklch(88.6% 0.018 272.3)
-
Step 300
300
#B9C0D7
oklch(81% 0.033 272.2)
-
Step 400
400 (this color)
#8F99BC
oklch(68.7% 0.053 272.5)
-
Step 500
500
#7B87B3
oklch(63% 0.068 272.5)
-
Step 600
600
#64719F
oklch(55.7% 0.073 271.7)
-
Step 700
700
#535E88
oklch(49% 0.069 272.4)
-
Step 800
800
#444D6E
oklch(42.7% 0.056 272.1)
-
Step 900
900
#394059
oklch(37.6% 0.044 272.1)
-
Step 950
950
#222634
oklch(27.1% 0.027 272.1)
#8F99BC 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) | #8F9CBE | 0.008 |
| Deuteranopia (no green cones) | #8C98BB | 0.005 |
| Tritanopia (no blue cones) | #84A0A5 | 0.048 |
| Achromatopsia (no color) | #9A9A9A | 0.053 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #8F99BC
#8F99BC
oklch(68.7% 0.053 272.5)
- #A69A75
#A69A75
oklch(68.7% 0.053 92.2)
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 #8F99BC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cool Gray #8D99AE ΔE 0.022
- Bluey Grey #89A0B0 ΔE 0.032
- Bluegrey #85A3B2 ΔE 0.037
- Greyblue #77A1B5 ΔE 0.040
- Cool Steel #97A7B3 ΔE 0.047
- Cool Grey #95A3A6 ΔE 0.050
- Silver Lake Blue #778DA9 ΔE 0.053
- Heather #A484AC ΔE 0.059
Use #8F99BC 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.