#8F99CB
Closest named color: Cool Gray (#8D99AE). oklch(69.3% 0.074 275.5), rgb(143, 153, 203).
Aa
Black text reads best on this color (7.58:1).
About this color
#8F99CB is a medium-light, moderately saturated blue. In OKLCH its lightness is 69%, its chroma 0.074 and its hue 276°. Its hue sits on the cool side of the wheel. The nearest named color is Cool Gray (#8D99AE), ΔE 0.044 away. Black text reads best on it, at 7.58:1.
| Hue family | Blues |
| Lightness | medium-light (69%) |
| Chroma | moderately saturated (0.074) |
| Temperature | cool |
| Nearest name | Cool Gray (#8D99AE) |
| Black text | 7.58:1 |
| White text | 2.76:1 |
Values
| HEX | #8F99CB |
| RGB | rgb(143, 153, 203) |
| HSL | hsl(230, 37%, 68%) |
| OKLCH | oklch(69.3% 0.074 275.5) |
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 #8F99CB | 2.76:1 | Fails | Lc -58.6 | Large or bold text, headings |
| Black text on #8F99CB | 7.58:1 | AAA | Lc 50.6 | Large or bold text, headings |
| #8F99CB text on white | 2.76:1 | Fails | Lc 53.4 | Large or bold text, headings |
| #8F99CB text on black | 7.58:1 | AAA | Lc -48.4 | 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
#E7E9F3
oklch(93.5% 0.014 277.1)
-
Step 200
200
#D4D8EB
oklch(88.5% 0.026 276.4)
-
Step 300
300
#B8BFDF
oklch(81% 0.046 275.6)
-
Step 400
400 (this color)
#8F99CB
oklch(69.3% 0.074 275.5)
-
Step 500
500
#7984C3
oklch(63% 0.096 275.7)
-
Step 600
600
#636DAF
oklch(55.6% 0.103 276)
-
Step 700
700
#525B97
oklch(49.1% 0.096 275.8)
-
Step 800
800
#434B7A
oklch(42.8% 0.079 275.2)
-
Step 900
900
#383E62
oklch(37.5% 0.062 275.8)
-
Step 950
950
#21253A
oklch(27.1% 0.04 275.2)
#8F99CB 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) | #8A9ECD | 0.014 |
| Deuteranopia (no green cones) | #8699CA | 0.012 |
| Tritanopia (no blue cones) | #7FA2AA | 0.066 |
| Achromatopsia (no color) | #9B9B9B | 0.075 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #8F99CB
#8F99CB
oklch(69.3% 0.074 275.5)
- #AA9C66
#AA9C66
oklch(69.2% 0.074 95.3)
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 #8F99CB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cool Gray #8D99AE ΔE 0.044
- Bluey Grey #89A0B0 ΔE 0.051
- Greyblue #77A1B5 ΔE 0.055
- Bluegrey #85A3B2 ΔE 0.055
- Perrywinkle #8F8CE7 ΔE 0.061
- Cool Steel #97A7B3 ΔE 0.062
- Pale Purple #B790D4 ΔE 0.064
- Heather #A484AC ΔE 0.065
Use #8F99CB 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.