#8FA9CF
Closest named color: Cool Steel (#97A7B3). oklch(72.9% 0.063 257.8), rgb(143, 169, 207).
Aa
Black text reads best on this color (8.74:1).
About this color
#8FA9CF is a medium-light, muted blue. In OKLCH its lightness is 73%, its chroma 0.063 and its hue 258°. Its hue sits on the cool side of the wheel. The nearest named color is Cool Steel (#97A7B3), ΔE 0.040 away. Black text reads best on it, at 8.74:1.
| Hue family | Blues |
| Lightness | medium-light (73%) |
| Chroma | muted (0.063) |
| Temperature | cool |
| Nearest name | Cool Steel (#97A7B3) |
| Black text | 8.74:1 |
| White text | 2.40:1 |
Values
| HEX | #8FA9CF |
| RGB | rgb(143, 169, 207) |
| HSL | hsl(216, 40%, 69%) |
| OKLCH | oklch(72.9% 0.063 257.8) |
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 #8FA9CF | 2.40:1 | Fails | Lc -52.3 | Large or bold text, headings |
| Black text on #8FA9CF | 8.74:1 | AAA | Lc 56.7 | Large or bold text, headings |
| #8FA9CF text on white | 2.40:1 | Fails | Lc 47.3 | Large or bold text, headings |
| #8FA9CF text on black | 8.74:1 | AAA | Lc -54.7 | 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
#F3F6F9
oklch(97.2% 0.005 247.9)
-
Step 100
100
#E5EAF2
oklch(93.6% 0.012 259.8)
-
Step 200
200
#D0DAE8
oklch(88.5% 0.022 256.7)
-
Step 300
300
#B1C2DA
oklch(80.9% 0.039 257)
-
Step 400
400 (this color)
#8FA9CF
oklch(72.9% 0.063 257.8)
-
Step 500
500
#6B8BBA
oklch(63.1% 0.08 257.9)
-
Step 600
600
#5274A6
oklch(55.5% 0.088 257.9)
-
Step 700
700
#43628E
oklch(49.2% 0.08 257.2)
-
Step 800
800
#375073
oklch(42.7% 0.066 256.9)
-
Step 900
900
#30425D
oklch(37.6% 0.052 258.3)
-
Step 950
950
#1C2737
oklch(27% 0.034 257.7)
#8FA9CF 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) | #9CABD1 | 0.018 |
| Deuteranopia (no green cones) | #95A4CE | 0.015 |
| Tritanopia (no blue cones) | #7CB1B6 | 0.055 |
| Achromatopsia (no color) | #A7A7A7 | 0.063 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #8FA9CF
#8FA9CF
oklch(72.9% 0.063 257.8)
- #BDA37B
#BDA37B
oklch(72.9% 0.062 78.2)
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 #8FA9CF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cool Steel #97A7B3 ΔE 0.040
- Bluegrey #85A3B2 ΔE 0.045
- Bluey Grey #89A0B0 ΔE 0.047
- Greyblue #77A1B5 ΔE 0.053
- Light Grey Blue #9DBCD4 ΔE 0.056
- Cool Gray #8D99AE ΔE 0.056
- Cool Grey #95A3A6 ΔE 0.057
- Dark Gray #A9A9A9 ΔE 0.063
Use #8FA9CF 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.