#87ADD4
Closest named color: Cool Steel (#97A7B3). oklch(73.4% 0.07 249.5), rgb(135, 173, 212).
Aa
Black text reads best on this color (8.95:1).
About this color
#87ADD4 is a medium-light, moderately saturated blue. In OKLCH its lightness is 73%, its chroma 0.070 and its hue 249°. Its hue sits on the cool side of the wheel. The nearest named color is Cool Steel (#97A7B3), ΔE 0.048 away. Black text reads best on it, at 8.95:1.
| Hue family | Blues |
| Lightness | medium-light (73%) |
| Chroma | moderately saturated (0.070) |
| Temperature | cool |
| Nearest name | Cool Steel (#97A7B3) |
| Black text | 8.95:1 |
| White text | 2.34:1 |
Values
| HEX | #87ADD4 |
| RGB | rgb(135, 173, 212) |
| HSL | hsl(210, 47%, 68%) |
| OKLCH | oklch(73.4% 0.07 249.5) |
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 #87ADD4 | 2.34:1 | Fails | Lc -51.1 | Large or bold text, headings |
| Black text on #87ADD4 | 8.95:1 | AAA | Lc 57.8 | Large or bold text, headings |
| #87ADD4 text on white | 2.34:1 | Fails | Lc 46.2 | Large or bold text, headings |
| #87ADD4 text on black | 8.95:1 | AAA | Lc -55.9 | 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
#F2F6F9
oklch(97.1% 0.006 239.8)
-
Step 100
100
#E4EBF2
oklch(93.7% 0.012 248)
-
Step 200
200
#CDDBE9
oklch(88.5% 0.025 248.1)
-
Step 300
300
#ACC4DC
oklch(81% 0.043 248.4)
-
Step 400
400 (this color)
#87ADD4
oklch(73.4% 0.07 249.5)
-
Step 500
500
#5E8EBE
oklch(63.2% 0.09 249.4)
-
Step 600
600
#4377AA
oklch(55.6% 0.098 249.6)
-
Step 700
700
#346492
oklch(49.1% 0.091 249.3)
-
Step 800
800
#2C5276
oklch(42.8% 0.074 248.8)
-
Step 900
900
#284460
oklch(37.8% 0.059 249.6)
-
Step 950
950
#182838
oklch(27.1% 0.037 249.3)
#87ADD4 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) | #9EAED6 | 0.029 |
| Deuteranopia (no green cones) | #95A6D3 | 0.024 |
| Tritanopia (no blue cones) | #6DB6BA | 0.060 |
| Achromatopsia (no color) | #A9A9A9 | 0.070 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #87ADD4
#87ADD4
oklch(73.4% 0.07 249.5)
- #C6A179
#C6A179
oklch(73.3% 0.07 68.6)
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 #87ADD4, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cool Steel #97A7B3 ΔE 0.048
- Bluegrey #85A3B2 ΔE 0.051
- Light Grey Blue #9DBCD4 ΔE 0.052
- Bluey Grey #89A0B0 ΔE 0.055
- Greyblue #77A1B5 ΔE 0.056
- Light Cornflower Blue #98C1D9 ΔE 0.060
- Carolina Blue #8AB8FE ΔE 0.062
- Cool Grey #95A3A6 ΔE 0.065
Use #87ADD4 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.