#83ADD9
Closest named color: Cool Steel (#97A7B3). oklch(73.4% 0.079 250.1), rgb(131, 173, 217).
Aa
Black text reads best on this color (8.94:1).
About this color
#83ADD9 is a medium-light, moderately saturated blue. In OKLCH its lightness is 73%, its chroma 0.079 and its hue 250°. Its hue sits on the cool side of the wheel. The nearest named color is Cool Steel (#97A7B3), ΔE 0.056 away. Black text reads best on it, at 8.94:1.
| Hue family | Blues |
| Lightness | medium-light (73%) |
| Chroma | moderately saturated (0.079) |
| Temperature | cool |
| Nearest name | Cool Steel (#97A7B3) |
| Black text | 8.94:1 |
| White text | 2.34:1 |
Values
| HEX | #83ADD9 |
| RGB | rgb(131, 173, 217) |
| HSL | hsl(211, 53%, 68%) |
| OKLCH | oklch(73.4% 0.079 250.1) |
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 #83ADD9 | 2.34:1 | Fails | Lc -51.2 | Large or bold text, headings |
| Black text on #83ADD9 | 8.94:1 | AAA | Lc 57.7 | Large or bold text, headings |
| #83ADD9 text on white | 2.34:1 | Fails | Lc 46.2 | Large or bold text, headings |
| #83ADD9 text on black | 8.94:1 | AAA | Lc -55.8 | 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
#F2F6FA
oklch(97.1% 0.007 247.9)
-
Step 100
100
#E3EBF3
oklch(93.6% 0.014 248)
-
Step 200
200
#CCDBEB
oklch(88.5% 0.027 249.9)
-
Step 300
300
#A9C4E0
oklch(80.9% 0.049 249.4)
-
Step 400
400 (this color)
#83ADD9
oklch(73.4% 0.079 250.1)
-
Step 500
500
#588EC4
oklch(63.2% 0.1 249.7)
-
Step 600
600
#3C77B1
oklch(55.7% 0.11 250.1)
-
Step 700
700
#2E6498
oklch(49.2% 0.101 249.9)
-
Step 800
800
#27517B
oklch(42.6% 0.085 250.5)
-
Step 900
900
#254463
oklch(37.8% 0.065 249.9)
-
Step 950
950
#16283A
oklch(27.1% 0.041 249.6)
#83ADD9 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) | #9CAEDB | 0.031 |
| Deuteranopia (no green cones) | #91A5D8 | 0.026 |
| Tritanopia (no blue cones) | #65B7BC | 0.067 |
| Achromatopsia (no color) | #A9A9A9 | 0.079 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #83ADD9
#83ADD9
oklch(73.4% 0.079 250.1)
- #C9A072
#C9A072
oklch(73.3% 0.078 69.3)
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 #83ADD9, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cool Steel #97A7B3 ΔE 0.056
- Bluegrey #85A3B2 ΔE 0.056
- Light Grey Blue #9DBCD4 ΔE 0.057
- Carolina Blue #8AB8FE ΔE 0.057
- Greyblue #77A1B5 ΔE 0.059
- Bluey Grey #89A0B0 ΔE 0.060
- Light Cornflower Blue #98C1D9 ΔE 0.063
- Cool Gray #8D99AE ΔE 0.070
Use #83ADD9 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.