#87AACC
Closest named color: Cool Steel (#97A7B3). oklch(72.4% 0.063 248), rgb(135, 170, 204).
Aa
Black text reads best on this color (8.65:1).
About this color
#87AACC is a medium-light, muted blue. In OKLCH its lightness is 72%, its chroma 0.063 and its hue 248°. 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 8.65:1.
| Hue family | Blues |
| Lightness | medium-light (72%) |
| Chroma | muted (0.063) |
| Temperature | cool |
| Nearest name | Cool Steel (#97A7B3) |
| Black text | 8.65:1 |
| White text | 2.42:1 |
Values
| HEX | #87AACC |
| RGB | rgb(135, 170, 204) |
| HSL | hsl(210, 40%, 66%) |
| OKLCH | oklch(72.4% 0.063 248) |
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 #87AACC | 2.42:1 | Fails | Lc -52.8 | Large or bold text, headings |
| Black text on #87AACC | 8.65:1 | AAA | Lc 56.2 | Large or bold text, headings |
| #87AACC text on white | 2.42:1 | Fails | Lc 47.7 | Large or bold text, headings |
| #87AACC text on black | 8.65:1 | AAA | Lc -54.3 | 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
#E4EBF1
oklch(93.6% 0.011 243.7)
-
Step 200
200
#CEDBE7
oklch(88.5% 0.022 245.9)
-
Step 300
300
#ADC3D9
oklch(80.8% 0.039 248.3)
-
Step 400
400 (this color)
#87AACC
oklch(72.4% 0.063 248)
-
Step 500
500
#628EB8
oklch(63.2% 0.08 248.1)
-
Step 600
600
#4877A4
oklch(55.5% 0.087 248.7)
-
Step 700
700
#39648D
oklch(49.1% 0.082 248.8)
-
Step 800
800
#2F5272
oklch(42.7% 0.067 247.6)
-
Step 900
900
#2A445C
oklch(37.7% 0.052 247.5)
-
Step 950
950
#192836
oklch(27% 0.033 247.4)
#87AACC 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) | #9DAACE | 0.028 |
| Deuteranopia (no green cones) | #94A3CB | 0.023 |
| Tritanopia (no blue cones) | #71B2B5 | 0.053 |
| Achromatopsia (no color) | #A6A6A6 | 0.063 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #87AACC
#87AACC
oklch(72.4% 0.063 248)
- #C19F7C
#C19F7C
oklch(72.5% 0.063 67.4)
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 #87AACC, 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 0.038
- Bluey Grey #89A0B0 ΔE 0.042
- Greyblue #77A1B5 ΔE 0.044
- Cool Gray #8D99AE ΔE 0.054
- Cool Grey #95A3A6 ΔE 0.054
- Light Grey Blue #9DBCD4 ΔE 0.058
- Pewter #96A8A1 ΔE 0.063
Use #87AACC 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.