#ADD5EF
Closest named color: Light Blue (#ADD8E6). oklch(85.3% 0.056 236.8), rgb(173, 213, 239).
Aa
Black text reads best on this color (13.54:1).
About this color
#ADD5EF is a light, muted blue. In OKLCH its lightness is 85%, its chroma 0.056 and its hue 237°. 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 13.54:1.
| Hue family | Blues |
| Lightness | light (85%) |
| Chroma | muted (0.056) |
| Temperature | cool |
| Nearest name | Light Blue (#ADD8E6) |
| Black text | 13.54:1 |
| White text | 1.55:1 |
Values
| HEX | #ADD5EF |
| RGB | rgb(173, 213, 239) |
| HSL | hsl(204, 67%, 81%) |
| OKLCH | oklch(85.3% 0.056 236.8) |
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 #ADD5EF | 1.55:1 | Fails | Lc -28.6 | Dividers and decoration only |
| Black text on #ADD5EF | 13.54:1 | AAA | Lc 78.5 | Fine for body text |
| #ADD5EF text on white | 1.55:1 | Fails | Lc 25.3 | Dividers and decoration only |
| #ADD5EF text on black | 13.54:1 | AAA | Lc -77.8 | 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 200.
-
Step 50
50
#F0F7FB
oklch(97.2% 0.009 232.4)
-
Step 100
100
#DEECF6
oklch(93.6% 0.02 238.7)
-
Step 200
200 (this color)
#ADD5EF
oklch(85.3% 0.056 236.8)
-
Step 300
300
#94C8E9
oklch(80.8% 0.072 236.7)
-
Step 400
400
#51ABDF
oklch(70.8% 0.115 236.9)
-
Step 500
500
#0094D1
oklch(63.1% 0.137 236.6)
-
Step 600
600
#007CB1
oklch(55.6% 0.122 237.2)
-
Step 700
700
#006895
oklch(49% 0.107 237)
-
Step 800
800
#00557B
oklch(42.6% 0.093 237.2)
-
Step 900
900
#004767
oklch(37.7% 0.082 236.6)
-
Step 950
950
#002A3F
oklch(27% 0.059 236.5)
#ADD5EF 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) | #C9D4F0 | 0.035 |
| Deuteranopia (no green cones) | #C0CCEF | 0.032 |
| Tritanopia (no blue cones) | #99DCDD | 0.043 |
| Achromatopsia (no color) | #CFCFCF | 0.056 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #ADD5EF
#ADD5EF
oklch(85.3% 0.056 236.8)
- #ECC6AC
#ECC6AC
oklch(85.3% 0.056 56.2)
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 #ADD5EF, 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 0.032
- Baby Blue #A2CFFE ΔE 0.033
- Celeste #A8DADC ΔE 0.035
- Powder Blue #B0E0E6 ΔE 0.036
- Light Steel Blue #B0C4DE ΔE 0.044
- Cadet Gray #CED4DA ΔE 0.047
- Sky Blue #87CEEB ΔE 0.048
Use #ADD5EF 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.