#83B4E9
Closest named color: Carolina Blue (#8AB8FE). oklch(75.5% 0.093 251), rgb(131, 180, 233).
Aa
Black text reads best on this color (9.67:1).
About this color
#83B4E9 is a medium-light, moderately saturated blue. In OKLCH its lightness is 76%, its chroma 0.093 and its hue 251°. Its hue sits on the cool side of the wheel. The nearest named color is Carolina Blue (#8AB8FE), ΔE 0.032 away. Black text reads best on it, at 9.67:1.
| Hue family | Blues |
| Lightness | medium-light (76%) |
| Chroma | moderately saturated (0.093) |
| Temperature | cool |
| Nearest name | Carolina Blue (#8AB8FE) |
| Black text | 9.67:1 |
| White text | 2.17:1 |
Values
| HEX | #83B4E9 |
| RGB | rgb(131, 180, 233) |
| HSL | hsl(211, 70%, 71%) |
| OKLCH | oklch(75.5% 0.093 251) |
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 #83B4E9 | 2.17:1 | Fails | Lc -47.3 | Large or bold text, headings |
| Black text on #83B4E9 | 9.67:1 | AAA | Lc 61.3 | Content text, not long reading |
| #83B4E9 text on white | 2.17:1 | Fails | Lc 42.6 | Non-text elements, placeholder text |
| #83B4E9 text on black | 9.67:1 | AAA | Lc -59.6 | 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
#F2F6FB
oklch(97.2% 0.008 253.9)
-
Step 100
100
#E2EBF5
oklch(93.6% 0.017 250.8)
-
Step 200
200
#CADBEE
oklch(88.5% 0.032 251.1)
-
Step 300
300
#A5C4E6
oklch(80.9% 0.059 250.9)
-
Step 400
400 (this color)
#83B4E9
oklch(75.5% 0.093 251)
-
Step 500
500
#4E8DCF
oklch(63.1% 0.12 251.2)
-
Step 600
600
#3076BC
oklch(55.6% 0.129 251.3)
-
Step 700
700
#2263A2
oklch(49.1% 0.12 251.2)
-
Step 800
800
#1E5183
oklch(42.7% 0.099 251)
-
Step 900
900
#1F4369
oklch(37.6% 0.078 251.7)
-
Step 950
950
#13283E
oklch(27.1% 0.049 251.1)
#83B4E9 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) | #9FB6EB | 0.035 |
| Deuteranopia (no green cones) | #93ABE8 | 0.028 |
| Tritanopia (no blue cones) | #5BC0C6 | 0.080 |
| Achromatopsia (no color) | #B0B0B0 | 0.093 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #83B4E9
#83B4E9
oklch(75.5% 0.093 251)
- #D5A66C
#D5A66C
oklch(75.6% 0.093 71.5)
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 #83B4E9, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Carolina Blue #8AB8FE ΔE 0.032
- Lightblue #7BC8F6 ΔE 0.052
- Light Grey Blue #9DBCD4 ΔE 0.052
- Light Cornflower Blue #98C1D9 ΔE 0.055
- Pastel Blue #A2BFFE ΔE 0.056
- Sky #82CAFC ΔE 0.059
- Vivid Sky Blue #4CC9F0 ΔE 0.065
- Light Sky Blue #87CEFA ΔE 0.069
Use #83B4E9 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.