#83AEC9
Closest named color: Cool Steel (#97A7B3). oklch(72.9% 0.061 236.3), rgb(131, 174, 201).
Aa
Black text reads best on this color (8.86:1).
About this color
#83AEC9 is a medium-light, muted blue. In OKLCH its lightness is 73%, its chroma 0.061 and its hue 236°. Its hue sits on the cool side of the wheel. The nearest named color is Cool Steel (#97A7B3), ΔE 0.037 away. Black text reads best on it, at 8.86:1.
| Hue family | Blues |
| Lightness | medium-light (73%) |
| Chroma | muted (0.061) |
| Temperature | cool |
| Nearest name | Cool Steel (#97A7B3) |
| Black text | 8.86:1 |
| White text | 2.36:1 |
Values
| HEX | #83AEC9 |
| RGB | rgb(131, 174, 201) |
| HSL | hsl(203, 39%, 65%) |
| OKLCH | oklch(72.9% 0.061 236.3) |
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 #83AEC9 | 2.36:1 | Fails | Lc -51.6 | Large or bold text, headings |
| Black text on #83AEC9 | 8.86:1 | AAA | Lc 57.3 | Large or bold text, headings |
| #83AEC9 text on white | 2.36:1 | Fails | Lc 46.7 | Large or bold text, headings |
| #83AEC9 text on black | 8.86:1 | AAA | Lc -55.4 | 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
#F2F6F8
oklch(97.1% 0.005 228.8)
-
Step 100
100
#E3EBF0
oklch(93.5% 0.011 234.8)
-
Step 200
200
#CDDCE5
oklch(88.6% 0.02 233.9)
-
Step 300
300
#AAC5D6
oklch(80.9% 0.038 235.6)
-
Step 400
400 (this color)
#83AEC9
oklch(72.9% 0.061 236.3)
-
Step 500
500
#5991B2
oklch(63.1% 0.077 235.7)
-
Step 600
600
#3D7B9E
oklch(55.7% 0.084 235.8)
-
Step 700
700
#2F6787
oklch(49% 0.078 236.5)
-
Step 800
800
#28546E
oklch(42.6% 0.065 236.9)
-
Step 900
900
#254659
oklch(37.8% 0.051 235.5)
-
Step 950
950
#162934
oklch(27% 0.032 235.1)
#83AEC9 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) | #A2ADCA | 0.039 |
| Deuteranopia (no green cones) | #98A5C9 | 0.034 |
| Tritanopia (no blue cones) | #6BB5B7 | 0.046 |
| Achromatopsia (no color) | #A8A8A8 | 0.061 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #83AEC9
#83AEC9
oklch(72.9% 0.061 236.3)
- #C69E83
#C69E83
oklch(72.9% 0.061 55.6)
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 #83AEC9, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cool Steel #97A7B3 ΔE 0.037
- Bluegrey #85A3B2 ΔE 0.038
- Bluey Grey #89A0B0 ΔE 0.044
- Greyblue #77A1B5 ΔE 0.045
- Cool Grey #95A3A6 ΔE 0.052
- Light Grey Blue #9DBCD4 ΔE 0.053
- Pewter #96A8A1 ΔE 0.057
- Cool Gray #8D99AE ΔE 0.059
Use #83AEC9 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.