#87AACE
Closest named color: Cool Steel (#97A7B3). oklch(72.5% 0.065 249.5), rgb(135, 170, 206).
Aa
Black text reads best on this color (8.67:1).
About this color
#87AACE is a medium-light, muted blue. In OKLCH its lightness is 73%, its chroma 0.065 and its hue 249°. Its hue sits on the cool side of the wheel. The nearest named color is Cool Steel (#97A7B3), ΔE 0.041 away. Black text reads best on it, at 8.67:1.
| Hue family | Blues |
| Lightness | medium-light (73%) |
| Chroma | muted (0.065) |
| Temperature | cool |
| Nearest name | Cool Steel (#97A7B3) |
| Black text | 8.67:1 |
| White text | 2.42:1 |
Values
| HEX | #87AACE |
| RGB | rgb(135, 170, 206) |
| HSL | hsl(210, 42%, 67%) |
| OKLCH | oklch(72.5% 0.065 249.5) |
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 #87AACE | 2.42:1 | Fails | Lc -52.6 | Large or bold text, headings |
| Black text on #87AACE | 8.67:1 | AAA | Lc 56.3 | Large or bold text, headings |
| #87AACE text on white | 2.42:1 | Fails | Lc 47.6 | Large or bold text, headings |
| #87AACE text on black | 8.67:1 | AAA | Lc -54.4 | 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
#CEDBE8
oklch(88.6% 0.023 248.1)
-
Step 300
300
#ADC3DA
oklch(80.8% 0.041 249.5)
-
Step 400
400 (this color)
#87AACE
oklch(72.5% 0.065 249.5)
-
Step 500
500
#618EBA
oklch(63.2% 0.083 248.7)
-
Step 600
600
#4777A6
oklch(55.6% 0.09 249.3)
-
Step 700
700
#38648E
oklch(49.1% 0.084 248.9)
-
Step 800
800
#2F5274
oklch(42.8% 0.07 249.1)
-
Step 900
900
#2A445D
oklch(37.7% 0.054 248.5)
-
Step 950
950
#192837
oklch(27.1% 0.035 249.2)
#87AACE 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) | #9CABD0 | 0.027 |
| Deuteranopia (no green cones) | #94A3CD | 0.023 |
| Tritanopia (no blue cones) | #70B2B6 | 0.055 |
| Achromatopsia (no color) | #A6A6A6 | 0.065 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #87AACE
#87AACE
oklch(72.5% 0.065 249.5)
- #C19F7A
#C19F7A
oklch(72.4% 0.065 68.9)
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 #87AACE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cool Steel #97A7B3 ΔE 0.041
- Bluegrey #85A3B2 ΔE 0.041
- Bluey Grey #89A0B0 ΔE 0.045
- Greyblue #77A1B5 ΔE 0.046
- Cool Gray #8D99AE ΔE 0.055
- Cool Grey #95A3A6 ΔE 0.057
- Light Grey Blue #9DBCD4 ΔE 0.058
- Pewter #96A8A1 ΔE 0.066
Use #87AACE 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.