#ADD4FE
Closest named color: Baby Blue (#A2CFFE). oklch(85.6% 0.072 250.6), rgb(173, 212, 254).
Aa
Black text reads best on this color (13.62:1).
About this color
#ADD4FE is a light, moderately saturated blue. In OKLCH its lightness is 86%, its chroma 0.072 and its hue 251°. Its hue sits on the cool side of the wheel. The nearest named color is Baby Blue (#A2CFFE), ΔE 0.020 away. Black text reads best on it, at 13.62:1.
| Hue family | Blues |
| Lightness | light (86%) |
| Chroma | moderately saturated (0.072) |
| Temperature | cool |
| Nearest name | Baby Blue (#A2CFFE) |
| Black text | 13.62:1 |
| White text | 1.54:1 |
Values
| HEX | #ADD4FE |
| RGB | rgb(173, 212, 254) |
| HSL | hsl(211, 98%, 84%) |
| OKLCH | oklch(85.6% 0.072 250.6) |
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 #ADD4FE | 1.54:1 | Fails | Lc -28.2 | Dividers and decoration only |
| Black text on #ADD4FE | 13.62:1 | AAA | Lc 78.8 | Fine for body text |
| #ADD4FE text on white | 1.54:1 | Fails | Lc 24.9 | Dividers and decoration only |
| #ADD4FE text on black | 13.62:1 | AAA | Lc -78.2 | 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
#EFF6FE
oklch(97% 0.013 251.6)
-
Step 100
100
#DDECFC
oklch(93.7% 0.027 249.9)
-
Step 200
200 (this color)
#ADD4FE
oklch(85.6% 0.072 250.6)
-
Step 300
300
#93C5FB
oklch(80.8% 0.093 250.9)
-
Step 400
400
#51A5F9
oklch(70.7% 0.148 250.7)
-
Step 500
500
#008CF1
oklch(63.1% 0.18 250.4)
-
Step 600
600
#0075CC
oklch(55.6% 0.16 250.6)
-
Step 700
700
#0062AD
oklch(49.1% 0.142 250.8)
-
Step 800
800
#00508F
oklch(42.6% 0.123 250.8)
-
Step 900
900
#004378
oklch(37.8% 0.108 250.3)
-
Step 950
950
#00274A
oklch(26.9% 0.077 250.5)
#ADD4FE 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) | #C4D5FF | 0.029 |
| Deuteranopia (no green cones) | #BBCCFD | 0.025 |
| Tritanopia (no blue cones) | #94DDE2 | 0.060 |
| Achromatopsia (no color) | #D0D0D0 | 0.072 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #ADD4FE
#ADD4FE
oklch(85.6% 0.072 250.6)
- #EEC89D
#EEC89D
oklch(85.5% 0.071 70.1)
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 #ADD4FE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Baby Blue #A2CFFE ΔE 0.020
- Light Blue #ADD8E6 ΔE 0.039
- Light Periwinkle #C1C6FC ΔE 0.041
- Light Blue Grey #B7C9E2 ΔE 0.041
- Light Sky Blue #87CEFA ΔE 0.047
- Light Steel Blue #B0C4DE ΔE 0.052
- Sky Blue #87CEEB ΔE 0.054
- Powder Blue #B0E0E6 ΔE 0.054
Use #ADD4FE 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.