#83B9DA
Closest named color: Light Grey Blue (#9DBCD4). oklch(76% 0.074 235.9), rgb(131, 185, 218).
Aa
Black text reads best on this color (9.91:1).
About this color
#83B9DA is a medium-light, moderately saturated blue. In OKLCH its lightness is 76%, its chroma 0.074 and its hue 236°. Its hue sits on the cool side of the wheel. The nearest named color is Light Grey Blue (#9DBCD4), ΔE 0.033 away. Black text reads best on it, at 9.91:1.
| Hue family | Blues |
| Lightness | medium-light (76%) |
| Chroma | moderately saturated (0.074) |
| Temperature | cool |
| Nearest name | Light Grey Blue (#9DBCD4) |
| Black text | 9.91:1 |
| White text | 2.11:1 |
Values
| HEX | #83B9DA |
| RGB | rgb(131, 185, 218) |
| HSL | hsl(203, 54%, 68%) |
| OKLCH | oklch(76% 0.074 235.9) |
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 #83B9DA | 2.11:1 | Fails | Lc -46.1 | Large or bold text, headings |
| Black text on #83B9DA | 9.91:1 | AAA | Lc 62.5 | Content text, not long reading |
| #83B9DA text on white | 2.11:1 | Fails | Lc 41.4 | Non-text elements, placeholder text |
| #83B9DA text on black | 9.91:1 | AAA | Lc -60.8 | Content text, not long reading |
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 300.
-
Step 50
50
#EFF7FB
oklch(97.1% 0.01 228.9)
-
Step 100
100
#DDECF6
oklch(93.5% 0.021 236.8)
-
Step 200
200
#C0DEF1
oklch(88.5% 0.041 235.7)
-
Step 300
300 (this color)
#83B9DA
oklch(76% 0.074 235.9)
-
Step 400
400
#4BABE0
oklch(70.6% 0.118 236.1)
-
Step 500
500
#0094D0
oklch(63.1% 0.136 236.2)
-
Step 600
600
#007DAF
oklch(55.7% 0.119 235.4)
-
Step 700
700
#006994
oklch(49.2% 0.105 235.5)
-
Step 800
800
#00567A
oklch(42.8% 0.091 235.4)
-
Step 900
900
#004766
oklch(37.6% 0.081 235.8)
-
Step 950
950
#002A3F
oklch(27% 0.059 236.5)
#83B9DA 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) | #AAB8DC | 0.047 |
| Deuteranopia (no green cones) | #9EAED9 | 0.041 |
| Tritanopia (no blue cones) | #62C2C4 | 0.057 |
| Achromatopsia (no color) | #B2B2B2 | 0.074 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #83B9DA
#83B9DA
oklch(76% 0.074 235.9)
- #D6A584
#D6A584
oklch(75.9% 0.074 55.3)
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 #83B9DA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Grey Blue #9DBCD4 ΔE 0.033
- Light Cornflower Blue #98C1D9 ΔE 0.035
- Lightblue #7BC8F6 ΔE 0.048
- Carolina Blue #8AB8FE ΔE 0.055
- Vivid Sky Blue #4CC9F0 ΔE 0.057
- Sky Blue #87CEEB ΔE 0.057
- Cloudy Blue #ACC2D9 ΔE 0.057
- Sky #82CAFC ΔE 0.058
Use #83B9DA 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.