#8FA5CB
Closest named color: Cool Steel (#97A7B3). oklch(71.9% 0.061 261.3), rgb(143, 165, 203).
Aa
Black text reads best on this color (8.41:1).
About this color
#8FA5CB is a medium-light, muted blue. In OKLCH its lightness is 72%, its chroma 0.061 and its hue 261°. Its hue sits on the cool side of the wheel. The nearest named color is Cool Steel (#97A7B3), ΔE 0.039 away. Black text reads best on it, at 8.41:1.
| Hue family | Blues |
| Lightness | medium-light (72%) |
| Chroma | muted (0.061) |
| Temperature | cool |
| Nearest name | Cool Steel (#97A7B3) |
| Black text | 8.41:1 |
| White text | 2.49:1 |
Values
| HEX | #8FA5CB |
| RGB | rgb(143, 165, 203) |
| HSL | hsl(218, 37%, 68%) |
| OKLCH | oklch(71.9% 0.061 261.3) |
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 #8FA5CB | 2.49:1 | Fails | Lc -54.1 | Large or bold text, headings |
| Black text on #8FA5CB | 8.41:1 | AAA | Lc 55.0 | Large or bold text, headings |
| #8FA5CB text on white | 2.49:1 | Fails | Lc 49.0 | Large or bold text, headings |
| #8FA5CB text on black | 8.41:1 | AAA | Lc -53.0 | 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
#F3F5F9
oklch(97% 0.006 264.5)
-
Step 100
100
#E6EAF1
oklch(93.6% 0.01 261.8)
-
Step 200
200
#D1DAE8
oklch(88.6% 0.022 259.2)
-
Step 300
300
#B3C1DA
oklch(80.8% 0.039 262.1)
-
Step 400
400 (this color)
#8FA5CB
oklch(71.9% 0.061 261.3)
-
Step 500
500
#6F8AB9
oklch(63.1% 0.078 261.3)
-
Step 600
600
#5773A5
oklch(55.5% 0.085 261.6)
-
Step 700
700
#47618D
oklch(49.2% 0.078 260.6)
-
Step 800
800
#3B4F73
oklch(42.7% 0.065 261.7)
-
Step 900
900
#32425D
oklch(37.8% 0.051 260.6)
-
Step 950
950
#1E2736
oklch(27.1% 0.031 260.5)
#8FA5CB 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) | #98A7CD | 0.014 |
| Deuteranopia (no green cones) | #92A1CA | 0.011 |
| Tritanopia (no blue cones) | #7EADB2 | 0.054 |
| Achromatopsia (no color) | #A4A4A4 | 0.061 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #8FA5CB
#8FA5CB
oklch(71.9% 0.061 261.3)
- #B8A179
#B8A179
oklch(71.9% 0.061 81.2)
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 #8FA5CB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cool Steel #97A7B3 ΔE 0.039
- Bluegrey #85A3B2 ΔE 0.040
- Bluey Grey #89A0B0 ΔE 0.041
- Greyblue #77A1B5 ΔE 0.046
- Cool Gray #8D99AE ΔE 0.047
- Cool Grey #95A3A6 ΔE 0.053
- Dark Gray #A9A9A9 ΔE 0.063
- Pewter #96A8A1 ΔE 0.065
Use #8FA5CB 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.