#89B0CB
Closest named color: Cool Steel (#97A7B3). oklch(73.8% 0.058 238.8), rgb(137, 176, 203).
Aa
Black text reads best on this color (9.13:1).
About this color
#89B0CB is a medium-light, muted blue. In OKLCH its lightness is 74%, its chroma 0.058 and its hue 239°. Its hue sits on the cool side of the wheel. The nearest named color is Cool Steel (#97A7B3), ΔE 0.037 away. Black text reads best on it, at 9.13:1.
| Hue family | Blues |
| Lightness | medium-light (74%) |
| Chroma | muted (0.058) |
| Temperature | cool |
| Nearest name | Cool Steel (#97A7B3) |
| Black text | 9.13:1 |
| White text | 2.29:1 |
Values
| HEX | #89B0CB |
| RGB | rgb(137, 176, 203) |
| HSL | hsl(205, 39%, 67%) |
| OKLCH | oklch(73.8% 0.058 238.8) |
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 #89B0CB | 2.29:1 | Fails | Lc -50.2 | Large or bold text, headings |
| Black text on #89B0CB | 9.13:1 | AAA | Lc 58.7 | Large or bold text, headings |
| #89B0CB text on white | 2.29:1 | Fails | Lc 45.3 | Large or bold text, headings |
| #89B0CB text on black | 9.13:1 | AAA | Lc -56.8 | 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
#E4EBF0
oklch(93.6% 0.01 238.5)
-
Step 200
200
#CEDBE5
oklch(88.5% 0.02 240.8)
-
Step 300
300
#ACC4D6
oklch(80.8% 0.036 240.4)
-
Step 400
400 (this color)
#89B0CB
oklch(73.8% 0.058 238.8)
-
Step 500
500
#5E90B1
oklch(63.1% 0.073 238.4)
-
Step 600
600
#437A9D
oklch(55.6% 0.08 238.4)
-
Step 700
700
#356686
oklch(49% 0.074 239.3)
-
Step 800
800
#2C546D
oklch(42.8% 0.061 238)
-
Step 900
900
#284558
oklch(37.6% 0.048 238.6)
-
Step 950
950
#182934
oklch(27.1% 0.031 237.8)
#89B0CB 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) | #A4AFCC | 0.034 |
| Deuteranopia (no green cones) | #9BA8CB | 0.030 |
| Tritanopia (no blue cones) | #74B7B9 | 0.045 |
| Achromatopsia (no color) | #ABABAB | 0.058 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #89B0CB
#89B0CB
oklch(73.8% 0.058 238.8)
- #C6A287
#C6A287
oklch(73.8% 0.057 58.6)
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 #89B0CB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cool Steel #97A7B3 ΔE 0.037
- Light Grey Blue #9DBCD4 ΔE 0.043
- Bluegrey #85A3B2 ΔE 0.045
- Bluey Grey #89A0B0 ΔE 0.050
- Light Cornflower Blue #98C1D9 ΔE 0.052
- French Gray #ADB5BD ΔE 0.053
- Greyblue #77A1B5 ΔE 0.054
- Cool Grey #95A3A6 ΔE 0.055
Use #89B0CB 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.