#83C4EF
Closest named color: Lightblue (#7BC8F6). oklch(79.2% 0.09 238.4), rgb(131, 196, 239).
Aa
Black text reads best on this color (11.10:1).
About this color
#83C4EF is a light, moderately saturated blue. In OKLCH its lightness is 79%, its chroma 0.090 and its hue 238°. Its hue sits on the cool side of the wheel. The nearest named color is Lightblue (#7BC8F6), ΔE 0.013 away. Black text reads best on it, at 11.10:1.
| Hue family | Blues |
| Lightness | light (79%) |
| Chroma | moderately saturated (0.090) |
| Temperature | cool |
| Nearest name | Lightblue (#7BC8F6) |
| Black text | 11.10:1 |
| White text | 1.89:1 |
Values
| HEX | #83C4EF |
| RGB | rgb(131, 196, 239) |
| HSL | hsl(204, 77%, 73%) |
| OKLCH | oklch(79.2% 0.09 238.4) |
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 #83C4EF | 1.89:1 | Fails | Lc -40.1 | Non-text elements, placeholder text |
| Black text on #83C4EF | 11.10:1 | AAA | Lc 68.1 | Content text, not long reading |
| #83C4EF text on white | 1.89:1 | Fails | Lc 35.8 | Non-text elements, placeholder text |
| #83C4EF text on black | 11.10:1 | AAA | Lc -66.7 | 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
#EEF7FD
oklch(97.1% 0.013 236.6)
-
Step 100
100
#DBEDFA
oklch(93.7% 0.026 239.1)
-
Step 200
200
#BBDFF7
oklch(88.5% 0.05 237.3)
-
Step 300
300 (this color)
#83C4EF
oklch(79.2% 0.09 238.4)
-
Step 400
400
#2DABF0
oklch(70.6% 0.145 238.8)
-
Step 500
500
#0093D4
oklch(63% 0.141 238.5)
-
Step 600
600
#007CB3
oklch(55.7% 0.124 238.2)
-
Step 700
700
#006897
oklch(49.1% 0.109 238.1)
-
Step 800
800
#00557D
oklch(42.7% 0.096 238.5)
-
Step 900
900
#004769
oklch(37.8% 0.084 238.3)
-
Step 950
950
#002A40
oklch(27% 0.06 237.8)
#83C4EF 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) | #B1C3F1 | 0.053 |
| Deuteranopia (no green cones) | #A2B7EE | 0.046 |
| Tritanopia (no blue cones) | #54CFD2 | 0.072 |
| Achromatopsia (no color) | #BCBCBC | 0.090 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #83C4EF
#83C4EF
oklch(79.2% 0.09 238.4)
- #E7AD81
#E7AD81
oklch(79.1% 0.09 58.2)
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 #83C4EF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Lightblue #7BC8F6 ΔE 0.013
- Sky #82CAFC ΔE 0.021
- Light Sky Blue #87CEFA ΔE 0.029
- Sky Blue #87CEEB ΔE 0.030
- Light Cornflower Blue #98C1D9 ΔE 0.035
- Vivid Sky Blue #4CC9F0 ΔE 0.044
- Light Grey Blue #9DBCD4 ΔE 0.044
- Carolina Blue #8AB8FE ΔE 0.044
Use #83C4EF 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.