#8FAEC3
Closest named color: Cool Steel (#97A7B3). oklch(73.5% 0.046 237.9), rgb(143, 174, 195).
Aa
Black text reads best on this color (9.01:1).
About this color
#8FAEC3 is a medium-light, muted blue. In OKLCH its lightness is 73%, its chroma 0.046 and its hue 238°. Its hue sits on the cool side of the wheel. The nearest named color is Cool Steel (#97A7B3), ΔE 0.026 away. Black text reads best on it, at 9.01:1.
| Hue family | Blues |
| Lightness | medium-light (73%) |
| Chroma | muted (0.046) |
| Temperature | cool |
| Nearest name | Cool Steel (#97A7B3) |
| Black text | 9.01:1 |
| White text | 2.33:1 |
Values
| HEX | #8FAEC3 |
| RGB | rgb(143, 174, 195) |
| HSL | hsl(204, 30%, 66%) |
| OKLCH | oklch(73.5% 0.046 237.9) |
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 #8FAEC3 | 2.33:1 | Fails | Lc -50.9 | Large or bold text, headings |
| Black text on #8FAEC3 | 9.01:1 | AAA | Lc 58.0 | Large or bold text, headings |
| #8FAEC3 text on white | 2.33:1 | Fails | Lc 45.9 | Large or bold text, headings |
| #8FAEC3 text on black | 9.01:1 | AAA | Lc -56.1 | 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
#F3F6F8
oklch(97.1% 0.004 236.5)
-
Step 100
100
#E5EBEF
oklch(93.7% 0.008 236.6)
-
Step 200
200
#D0DBE3
oklch(88.5% 0.016 239.1)
-
Step 300
300
#B0C4D1
oklch(80.9% 0.029 236.3)
-
Step 400
400 (this color)
#8FAEC3
oklch(73.5% 0.046 237.9)
-
Step 500
500
#688FA9
oklch(63.1% 0.058 238.1)
-
Step 600
600
#4F7994
oklch(55.6% 0.063 237.6)
-
Step 700
700
#3F667E
oklch(49.1% 0.059 236.7)
-
Step 800
800
#355367
oklch(42.7% 0.049 238.6)
-
Step 900
900
#2E4554
oklch(37.8% 0.038 237.7)
-
Step 950
950
#1B2831
oklch(26.9% 0.025 239.1)
#8FAEC3 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) | #A5ADC4 | 0.029 |
| Deuteranopia (no green cones) | #9EA7C3 | 0.026 |
| Tritanopia (no blue cones) | #80B3B5 | 0.034 |
| Achromatopsia (no color) | #AAAAAA | 0.046 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #8FAEC3
#8FAEC3
oklch(73.5% 0.046 237.9)
- #C0A38D
#C0A38D
oklch(73.5% 0.046 59.2)
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 #8FAEC3, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cool Steel #97A7B3 ΔE 0.026
- Bluegrey #85A3B2 ΔE 0.038
- Bluey Grey #89A0B0 ΔE 0.043
- Cool Grey #95A3A6 ΔE 0.043
- Light Grey Blue #9DBCD4 ΔE 0.046
- Dark Gray #A9A9A9 ΔE 0.046
- French Gray #ADB5BD ΔE 0.047
- Pewter #96A8A1 ΔE 0.047
Use #8FAEC3 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.