#87B0CB
Closest named color: Cool Steel (#97A7B3). oklch(73.7% 0.059 237.5), rgb(135, 176, 203).
Aa
Black text reads best on this color (9.10:1).
About this color
#87B0CB is a medium-light, muted blue. In OKLCH its lightness is 74%, its chroma 0.059 and its hue 237°. Its hue sits on the cool side of the wheel. The nearest named color is Cool Steel (#97A7B3), ΔE 0.038 away. Black text reads best on it, at 9.10:1.
| Hue family | Blues |
| Lightness | medium-light (74%) |
| Chroma | muted (0.059) |
| Temperature | cool |
| Nearest name | Cool Steel (#97A7B3) |
| Black text | 9.10:1 |
| White text | 2.30:1 |
Values
| HEX | #87B0CB |
| RGB | rgb(135, 176, 203) |
| HSL | hsl(204, 40%, 66%) |
| OKLCH | oklch(73.7% 0.059 237.5) |
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 #87B0CB | 2.30:1 | Fails | Lc -50.3 | Large or bold text, headings |
| Black text on #87B0CB | 9.10:1 | AAA | Lc 58.5 | Large or bold text, headings |
| #87B0CB text on white | 2.30:1 | Fails | Lc 45.5 | Large or bold text, headings |
| #87B0CB text on black | 9.10:1 | AAA | Lc -56.6 | 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
#F2F6F8
oklch(97.1% 0.005 228.8)
-
Step 100
100
#E4EBF0
oklch(93.6% 0.01 238.5)
-
Step 200
200
#CDDBE5
oklch(88.4% 0.02 238.7)
-
Step 300
300
#ABC5D6
oklch(80.9% 0.037 236.6)
-
Step 400
400 (this color)
#87B0CB
oklch(73.7% 0.059 237.5)
-
Step 500
500
#5C90B2
oklch(63% 0.076 238.3)
-
Step 600
600
#407A9E
oklch(55.6% 0.083 238)
-
Step 700
700
#326787
oklch(49.2% 0.076 237.6)
-
Step 800
800
#2A546D
oklch(42.7% 0.063 236.9)
-
Step 900
900
#274559
oklch(37.6% 0.05 239.2)
-
Step 950
950
#172934
oklch(27.1% 0.031 236.4)
#87B0CB 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 | 0.036 |
| Deuteranopia (no green cones) | #9BA7CB | 0.033 |
| Tritanopia (no blue cones) | #71B7B9 | 0.045 |
| Achromatopsia (no color) | #ABABAB | 0.059 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #87B0CB
#87B0CB
oklch(73.7% 0.059 237.5)
- #C7A186
#C7A186
oklch(73.7% 0.059 57)
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 #87B0CB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cool Steel #97A7B3 ΔE 0.038
- Bluegrey #85A3B2 ΔE 0.044
- Light Grey Blue #9DBCD4 ΔE 0.045
- Bluey Grey #89A0B0 ΔE 0.050
- Greyblue #77A1B5 ΔE 0.052
- Light Cornflower Blue #98C1D9 ΔE 0.053
- Cool Grey #95A3A6 ΔE 0.055
- French Gray #ADB5BD ΔE 0.055
Use #87B0CB 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.