#87ADD1
Closest named color: Cool Steel (#97A7B3). oklch(73.3% 0.067 247.4), rgb(135, 173, 209).
Aa
Black text reads best on this color (8.92:1).
About this color
#87ADD1 is a medium-light, muted blue. In OKLCH its lightness is 73%, its chroma 0.067 and its hue 247°. Its hue sits on the cool side of the wheel. The nearest named color is Cool Steel (#97A7B3), ΔE 0.044 away. Black text reads best on it, at 8.92:1.
| Hue family | Blues |
| Lightness | medium-light (73%) |
| Chroma | muted (0.067) |
| Temperature | cool |
| Nearest name | Cool Steel (#97A7B3) |
| Black text | 8.92:1 |
| White text | 2.35:1 |
Values
| HEX | #87ADD1 |
| RGB | rgb(135, 173, 209) |
| HSL | hsl(209, 45%, 67%) |
| OKLCH | oklch(73.3% 0.067 247.4) |
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 #87ADD1 | 2.35:1 | Fails | Lc -51.3 | Large or bold text, headings |
| Black text on #87ADD1 | 8.92:1 | AAA | Lc 57.6 | Large or bold text, headings |
| #87ADD1 text on white | 2.35:1 | Fails | Lc 46.3 | Large or bold text, headings |
| #87ADD1 text on black | 8.92:1 | AAA | Lc -55.7 | 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
#E4EBF2
oklch(93.7% 0.012 248)
-
Step 200
200
#CDDBE8
oklch(88.5% 0.023 246.1)
-
Step 300
300
#ACC4DB
oklch(81% 0.042 247.2)
-
Step 400
400 (this color)
#87ADD1
oklch(73.3% 0.067 247.4)
-
Step 500
500
#5E8EBB
oklch(63.1% 0.086 247.8)
-
Step 600
600
#4378A7
oklch(55.7% 0.093 247.1)
-
Step 700
700
#35658F
oklch(49.2% 0.086 247)
-
Step 800
800
#2C5274
oklch(42.6% 0.072 247.3)
-
Step 900
900
#28445E
oklch(37.7% 0.056 247.8)
-
Step 950
950
#182837
oklch(27% 0.035 247.7)
#87ADD1 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) | #9FADD3 | 0.030 |
| Deuteranopia (no green cones) | #96A6D0 | 0.025 |
| Tritanopia (no blue cones) | #6FB5B9 | 0.055 |
| Achromatopsia (no color) | #A9A9A9 | 0.067 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #87ADD1
#87ADD1
oklch(73.3% 0.067 247.4)
- #C5A17B
#C5A17B
oklch(73.2% 0.067 68)
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 #87ADD1, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cool Steel #97A7B3 ΔE 0.044
- Bluegrey #85A3B2 ΔE 0.047
- Bluey Grey #89A0B0 ΔE 0.051
- Light Grey Blue #9DBCD4 ΔE 0.051
- Greyblue #77A1B5 ΔE 0.053
- Light Cornflower Blue #98C1D9 ΔE 0.060
- Cool Grey #95A3A6 ΔE 0.061
- Cool Gray #8D99AE ΔE 0.063
Use #87ADD1 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.