#83B9EF
Closest named color: Carolina Blue (#8AB8FE). oklch(76.9% 0.096 249.2), rgb(131, 185, 239).
Aa
Black text reads best on this color (10.15:1).
About this color
#83B9EF is a medium-light, moderately saturated blue. In OKLCH its lightness is 77%, its chroma 0.096 and its hue 249°. Its hue sits on the cool side of the wheel. The nearest named color is Carolina Blue (#8AB8FE), ΔE 0.025 away. Black text reads best on it, at 10.15:1.
| Hue family | Blues |
| Lightness | medium-light (77%) |
| Chroma | moderately saturated (0.096) |
| Temperature | cool |
| Nearest name | Carolina Blue (#8AB8FE) |
| Black text | 10.15:1 |
| White text | 2.06:1 |
Values
| HEX | #83B9EF |
| RGB | rgb(131, 185, 239) |
| HSL | hsl(210, 77%, 73%) |
| OKLCH | oklch(76.9% 0.096 249.2) |
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 #83B9EF | 2.06:1 | Fails | Lc -44.9 | Non-text elements, placeholder text |
| Black text on #83B9EF | 10.15:1 | AAA | Lc 63.6 | Content text, not long reading |
| #83B9EF text on white | 2.06:1 | Fails | Lc 40.3 | Non-text elements, placeholder text |
| #83B9EF text on black | 10.15:1 | AAA | Lc -62.0 | 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
#EFF6FE
oklch(97% 0.013 251.6)
-
Step 100
100
#DCECFC
oklch(93.6% 0.028 248.1)
-
Step 200
200
#BFDDFC
oklch(88.6% 0.054 249.3)
-
Step 300
300 (this color)
#83B9EF
oklch(76.9% 0.096 249.2)
-
Step 400
400
#47A6FC
oklch(70.8% 0.154 249.1)
-
Step 500
500
#008DED
oklch(63.1% 0.175 249.1)
-
Step 600
600
#0076C8
oklch(55.5% 0.154 249.2)
-
Step 700
700
#0063AA
oklch(49.1% 0.137 249.4)
-
Step 800
800
#00518C
oklch(42.7% 0.118 249.2)
-
Step 900
900
#004376
oklch(37.6% 0.105 249.5)
-
Step 950
950
#002849
oklch(27.1% 0.074 248.8)
#83B9EF 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) | #A3BAF2 | 0.038 |
| Deuteranopia (no green cones) | #96AFEE | 0.032 |
| Tritanopia (no blue cones) | #56C5CB | 0.082 |
| Achromatopsia (no color) | #B4B4B4 | 0.096 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #83B9EF
#83B9EF
oklch(76.9% 0.096 249.2)
- #DCA96E
#DCA96E
oklch(76.9% 0.097 69.6)
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 #83B9EF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Carolina Blue #8AB8FE ΔE 0.025
- Lightblue #7BC8F6 ΔE 0.039
- Sky #82CAFC ΔE 0.045
- Pastel Blue #A2BFFE ΔE 0.046
- Light Cornflower Blue #98C1D9 ΔE 0.050
- Light Grey Blue #9DBCD4 ΔE 0.050
- Light Sky Blue #87CEFA ΔE 0.056
- Vivid Sky Blue #4CC9F0 ΔE 0.058
Use #83B9EF 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.