#8FA9BB
Closest named color: Cool Steel (#97A7B3). oklch(72.1% 0.039 238.3), rgb(143, 169, 187).
Aa
Black text reads best on this color (8.56:1).
About this color
#8FA9BB is a medium-light, muted blue. In OKLCH its lightness is 72%, its chroma 0.039 and its hue 238°. Its hue sits on the cool side of the wheel. The nearest named color is Cool Steel (#97A7B3), ΔE 0.014 away. Black text reads best on it, at 8.56:1.
| Hue family | Blues |
| Lightness | medium-light (72%) |
| Chroma | muted (0.039) |
| Temperature | cool |
| Nearest name | Cool Steel (#97A7B3) |
| Black text | 8.56:1 |
| White text | 2.45:1 |
Values
| HEX | #8FA9BB |
| RGB | rgb(143, 169, 187) |
| HSL | hsl(205, 24%, 65%) |
| OKLCH | oklch(72.1% 0.039 238.3) |
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 #8FA9BB | 2.45:1 | Fails | Lc -53.3 | Large or bold text, headings |
| Black text on #8FA9BB | 8.56:1 | AAA | Lc 55.8 | Large or bold text, headings |
| #8FA9BB text on white | 2.45:1 | Fails | Lc 48.2 | Large or bold text, headings |
| #8FA9BB text on black | 8.56:1 | AAA | Lc -53.7 | 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
#F3F6F7
oklch(97.1% 0.003 219.5)
-
Step 100
100
#E6EBEE
oklch(93.7% 0.007 233.6)
-
Step 200
200
#D1DBE1
oklch(88.6% 0.014 233.8)
-
Step 300
300
#B3C3CF
oklch(80.9% 0.024 240.2)
-
Step 400
400 (this color)
#8FA9BB
oklch(72.1% 0.039 238.3)
-
Step 500
500
#6E8EA5
oklch(63.1% 0.05 239.8)
-
Step 600
600
#557890
oklch(55.6% 0.055 239)
-
Step 700
700
#45657A
oklch(49.1% 0.05 237.9)
-
Step 800
800
#395263
oklch(42.5% 0.042 238.7)
-
Step 900
900
#314451
oklch(37.6% 0.033 238.7)
-
Step 950
950
#1D282F
oklch(27% 0.02 236.4)
#8FA9BB 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) | #A1A8BC | 0.024 |
| Deuteranopia (no green cones) | #9BA3BB | 0.022 |
| Tritanopia (no blue cones) | #83AEAF | 0.030 |
| Achromatopsia (no color) | #A5A5A5 | 0.039 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #8FA9BB
#8FA9BB
oklch(72.1% 0.039 238.3)
- #B89F8D
#B89F8D
oklch(72% 0.039 57.8)
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 #8FA9BB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cool Steel #97A7B3 ΔE 0.014
- Bluegrey #85A3B2 ΔE 0.024
- Bluey Grey #89A0B0 ΔE 0.028
- Cool Grey #95A3A6 ΔE 0.030
- Pewter #96A8A1 ΔE 0.037
- Greyblue #77A1B5 ΔE 0.039
- Dark Gray #A9A9A9 ΔE 0.041
- Cool Gray #8D99AE ΔE 0.044
Use #8FA9BB 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.