#83ADCF
Closest named color: Cool Steel (#97A7B3). oklch(73% 0.067 243.3), rgb(131, 173, 207).
Aa
Black text reads best on this color (8.84:1).
About this color
#83ADCF is a medium-light, muted blue. In OKLCH its lightness is 73%, its chroma 0.067 and its hue 243°. Its hue sits on the cool side of the wheel. The nearest named color is Cool Steel (#97A7B3), ΔE 0.043 away. Black text reads best on it, at 8.84:1.
| Hue family | Blues |
| Lightness | medium-light (73%) |
| Chroma | muted (0.067) |
| Temperature | cool |
| Nearest name | Cool Steel (#97A7B3) |
| Black text | 8.84:1 |
| White text | 2.37:1 |
Values
| HEX | #83ADCF |
| RGB | rgb(131, 173, 207) |
| HSL | hsl(207, 44%, 66%) |
| OKLCH | oklch(73% 0.067 243.3) |
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 #83ADCF | 2.37:1 | Fails | Lc -51.7 | Large or bold text, headings |
| Black text on #83ADCF | 8.84:1 | AAA | Lc 57.2 | Large or bold text, headings |
| #83ADCF text on white | 2.37:1 | Fails | Lc 46.8 | Large or bold text, headings |
| #83ADCF text on black | 8.84:1 | AAA | Lc -55.3 | 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
#F2F6F9
oklch(97.1% 0.006 239.8)
-
Step 100
100
#E3EBF1
oklch(93.6% 0.012 239.9)
-
Step 200
200
#CDDBE8
oklch(88.5% 0.023 246.1)
-
Step 300
300
#AAC4DA
oklch(80.8% 0.042 243.8)
-
Step 400
400 (this color)
#83ADCF
oklch(73% 0.067 243.3)
-
Step 500
500
#598FBA
oklch(63% 0.087 243.8)
-
Step 600
600
#3E79A6
oklch(55.6% 0.094 243.7)
-
Step 700
700
#2F668E
oklch(49.2% 0.087 242.9)
-
Step 800
800
#285373
oklch(42.7% 0.072 243.1)
-
Step 900
900
#25455D
oklch(37.7% 0.056 242.6)
-
Step 950
950
#162836
oklch(26.8% 0.035 243.1)
#83ADCF 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) | #9FADD1 | 0.035 |
| Deuteranopia (no green cones) | #95A5CE | 0.029 |
| Tritanopia (no blue cones) | #69B5B8 | 0.055 |
| Achromatopsia (no color) | #A8A8A8 | 0.067 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #83ADCF
#83ADCF
oklch(73% 0.067 243.3)
- #C69F7C
#C69F7C
oklch(73% 0.067 63.4)
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 #83ADCF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cool Steel #97A7B3 ΔE 0.043
- Bluegrey #85A3B2 ΔE 0.044
- Greyblue #77A1B5 ΔE 0.048
- Bluey Grey #89A0B0 ΔE 0.049
- Light Grey Blue #9DBCD4 ΔE 0.054
- Cool Grey #95A3A6 ΔE 0.059
- Cool Gray #8D99AE ΔE 0.061
- Light Cornflower Blue #98C1D9 ΔE 0.062
Use #83ADCF 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.