#ADDFFB
Closest named color: Light Blue (#ADD8E6). oklch(87.8% 0.065 233), rgb(173, 223, 251).
Aa
Black text reads best on this color (14.72:1).
About this color
#ADDFFB is a light, muted blue. In OKLCH its lightness is 88%, its chroma 0.065 and its hue 233°. Its hue sits on the cool side of the wheel. The nearest named color is Light Blue (#ADD8E6), ΔE 0.030 away. Black text reads best on it, at 14.72:1.
| Hue family | Blues |
| Lightness | light (88%) |
| Chroma | muted (0.065) |
| Temperature | cool |
| Nearest name | Light Blue (#ADD8E6) |
| Black text | 14.72:1 |
| White text | 1.42:1 |
Values
| HEX | #ADDFFB |
| RGB | rgb(173, 223, 251) |
| HSL | hsl(202, 91%, 83%) |
| OKLCH | oklch(87.8% 0.065 233) |
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 #ADDFFB | 1.42:1 | Fails | Lc -23.3 | Dividers and decoration only |
| Black text on #ADDFFB | 14.72:1 | AAA | Lc 83.3 | Fine for body text |
| #ADDFFB text on white | 1.42:1 | Fails | Lc 20.4 | Dividers and decoration only |
| #ADDFFB text on black | 14.72:1 | AAA | Lc -83.0 | 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
#EFF7FC
oklch(97.2% 0.011 234.8)
-
Step 100
100
#DBEDF8
oklch(93.6% 0.024 234.4)
-
Step 200
200 (this color)
#ADDFFB
oklch(87.8% 0.065 233)
-
Step 300
300
#89CAEE
oklch(80.8% 0.083 233.5)
-
Step 400
400
#2FADE5
oklch(70.6% 0.133 233.1)
-
Step 500
500
#0095CB
oklch(63% 0.131 233.2)
-
Step 600
600
#007DAB
oklch(55.5% 0.115 233.2)
-
Step 700
700
#006991
oklch(49% 0.102 233.6)
-
Step 800
800
#005677
oklch(42.6% 0.088 233.1)
-
Step 900
900
#004864
oklch(37.8% 0.078 232.8)
-
Step 950
950
#002A3D
oklch(26.9% 0.056 233.8)
#ADDFFB 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) | #D2DDFC | 0.045 |
| Deuteranopia (no green cones) | #C7D4FB | 0.040 |
| Tritanopia (no blue cones) | #94E7E8 | 0.048 |
| Achromatopsia (no color) | #D8D8D8 | 0.065 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #ADDFFB
#ADDFFB
oklch(87.8% 0.065 233)
- #FACCB0
#FACCB0
oklch(87.8% 0.064 53)
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 #ADDFFB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Blue #ADD8E6 ΔE 0.030
- Powder Blue #B0E0E6 ΔE 0.031
- Celeste #A8DADC ΔE 0.043
- Robin's Egg Blue #98EFF9 ΔE 0.047
- Baby Blue #A2CFFE ΔE 0.048
- Pale Turquoise #AFEEEE ΔE 0.050
- Diamond #B9F2FF ΔE 0.053
- Robin Egg Blue #8AF1FE ΔE 0.054
Use #ADDFFB 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.