#87AECF
Closest named color: Cool Steel (#97A7B3). oklch(73.4% 0.064 244.3), rgb(135, 174, 207).
Aa
Black text reads best on this color (8.98:1).
About this color
#87AECF is a medium-light, muted blue. In OKLCH its lightness is 73%, its chroma 0.064 and its hue 244°. Its hue sits on the cool side of the wheel. The nearest named color is Cool Steel (#97A7B3), ΔE 0.042 away. Black text reads best on it, at 8.98:1.
| Hue family | Blues |
| Lightness | medium-light (73%) |
| Chroma | muted (0.064) |
| Temperature | cool |
| Nearest name | Cool Steel (#97A7B3) |
| Black text | 8.98:1 |
| White text | 2.33:1 |
Values
| HEX | #87AECF |
| RGB | rgb(135, 174, 207) |
| HSL | hsl(207, 43%, 67%) |
| OKLCH | oklch(73.4% 0.064 244.3) |
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 #87AECF | 2.33:1 | Fails | Lc -51.0 | Large or bold text, headings |
| Black text on #87AECF | 8.98:1 | AAA | Lc 57.9 | Large or bold text, headings |
| #87AECF text on white | 2.33:1 | Fails | Lc 46.0 | Large or bold text, headings |
| #87AECF text on black | 8.98:1 | AAA | Lc -56.0 | 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
#E4EBF1
oklch(93.6% 0.011 243.7)
-
Step 200
200
#CDDBE7
oklch(88.4% 0.022 243.8)
-
Step 300
300
#ACC4D9
oklch(80.9% 0.04 244.7)
-
Step 400
400 (this color)
#87AECF
oklch(73.4% 0.064 244.3)
-
Step 500
500
#5D8FB8
oklch(63.1% 0.082 244.4)
-
Step 600
600
#4279A4
oklch(55.7% 0.089 244)
-
Step 700
700
#34658C
oklch(49% 0.082 244.7)
-
Step 800
800
#2C5372
oklch(42.8% 0.068 244.4)
-
Step 900
900
#28455C
oklch(37.8% 0.053 243.8)
-
Step 950
950
#182836
oklch(27% 0.034 245.9)
#87AECF 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) | #A1AED1 | 0.033 |
| Deuteranopia (no green cones) | #97A6CE | 0.027 |
| Tritanopia (no blue cones) | #6FB6B9 | 0.053 |
| Achromatopsia (no color) | #A9A9A9 | 0.064 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #87AECF
#87AECF
oklch(73.4% 0.064 244.3)
- #C6A17F
#C6A17F
oklch(73.4% 0.064 64.2)
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 #87AECF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cool Steel #97A7B3 ΔE 0.042
- Bluegrey #85A3B2 ΔE 0.045
- Light Grey Blue #9DBCD4 ΔE 0.049
- Bluey Grey #89A0B0 ΔE 0.050
- Greyblue #77A1B5 ΔE 0.052
- Light Cornflower Blue #98C1D9 ΔE 0.057
- Cool Grey #95A3A6 ΔE 0.058
- French Gray #ADB5BD ΔE 0.061
Use #87AECF 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.