#ADD2E8
Closest named color: Light Blue (#ADD8E6). oklch(84.4% 0.05 234.3), rgb(173, 210, 232).
Aa
Black text reads best on this color (13.16:1).
About this color
#ADD2E8 is a light, muted blue. In OKLCH its lightness is 84%, its chroma 0.050 and its hue 234°. Its hue sits on the cool side of the wheel. The nearest named color is Light Blue (#ADD8E6), ΔE 0.017 away. Black text reads best on it, at 13.16:1.
| Hue family | Blues |
| Lightness | light (84%) |
| Chroma | muted (0.050) |
| Temperature | cool |
| Nearest name | Light Blue (#ADD8E6) |
| Black text | 13.16:1 |
| White text | 1.59:1 |
Values
| HEX | #ADD2E8 |
| RGB | rgb(173, 210, 232) |
| HSL | hsl(202, 56%, 79%) |
| OKLCH | oklch(84.4% 0.05 234.3) |
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 #ADD2E8 | 1.59:1 | Fails | Lc -30.4 | Non-text elements, placeholder text |
| Black text on #ADD2E8 | 13.16:1 | AAA | Lc 76.9 | Fine for body text |
| #ADD2E8 text on white | 1.59:1 | Fails | Lc 26.9 | Dividers and decoration only |
| #ADD2E8 text on black | 13.16:1 | AAA | Lc -76.1 | Fine for body text |
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
#F1F6F9
oklch(97% 0.007 233.6)
-
Step 100
100
#E1ECF2
oklch(93.7% 0.014 231.2)
-
Step 200
200
#C8DDE9
oklch(88.6% 0.028 232.7)
-
Step 300
300 (this color)
#ADD2E8
oklch(84.4% 0.05 234.3)
-
Step 400
400
#6DA9CB
oklch(70.7% 0.08 234.4)
-
Step 500
500
#4193BE
oklch(63.1% 0.102 234.6)
-
Step 600
600
#167DAA
oklch(55.7% 0.11 234.1)
-
Step 700
700
#006992
oklch(49.1% 0.103 234.3)
-
Step 800
800
#0B5676
oklch(42.7% 0.085 233.6)
-
Step 900
900
#15475F
oklch(37.7% 0.066 233.5)
-
Step 950
950
#0F2A38
oklch(27.1% 0.042 233.9)
#ADD2E8 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) | #C8D1E9 | 0.034 |
| Deuteranopia (no green cones) | #C0CAE8 | 0.030 |
| Tritanopia (no blue cones) | #9CD8D9 | 0.037 |
| Achromatopsia (no color) | #CDCDCD | 0.050 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #ADD2E8
#ADD2E8
oklch(84.4% 0.05 234.3)
- #E7C4AE
#E7C4AE
oklch(84.5% 0.05 54)
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 #ADD2E8, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Blue #ADD8E6 ΔE 0.017
- Light Blue Grey #B7C9E2 ΔE 0.024
- Celeste #A8DADC ΔE 0.032
- Light Steel Blue #B0C4DE ΔE 0.036
- Baby Blue #A2CFFE ΔE 0.036
- Powder Blue #B0E0E6 ΔE 0.039
- Cloudy Blue #ACC2D9 ΔE 0.042
- Sky Blue #87CEEB ΔE 0.045
Use #ADD2E8 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.