#ADDEFB
Closest named color: Light Blue (#ADD8E6). oklch(87.6% 0.065 234.5), rgb(173, 222, 251).
Aa
Black text reads best on this color (14.61:1).
About this color
#ADDEFB is a light, muted blue. In OKLCH its lightness is 88%, its chroma 0.065 and its hue 234°. Its hue sits on the cool side of the wheel. The nearest named color is Light Blue (#ADD8E6), ΔE 0.029 away. Black text reads best on it, at 14.61:1.
| Hue family | Blues |
| Lightness | light (88%) |
| Chroma | muted (0.065) |
| Temperature | cool |
| Nearest name | Light Blue (#ADD8E6) |
| Black text | 14.61:1 |
| White text | 1.43:1 |
Values
| HEX | #ADDEFB |
| RGB | rgb(173, 222, 251) |
| HSL | hsl(202, 91%, 83%) |
| OKLCH | oklch(87.6% 0.065 234.5) |
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 #ADDEFB | 1.43:1 | Fails | Lc -23.8 | Dividers and decoration only |
| Black text on #ADDEFB | 14.61:1 | AAA | Lc 82.8 | Fine for body text |
| #ADDEFB text on white | 1.43:1 | Fails | Lc 20.9 | Dividers and decoration only |
| #ADDEFB text on black | 14.61:1 | AAA | Lc -82.5 | 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)
#ADDEFB
oklch(87.6% 0.065 234.5)
-
Step 300
300
#8ACAEF
oklch(80.9% 0.084 234.6)
-
Step 400
400
#33ADE7
oklch(70.7% 0.133 234.5)
-
Step 500
500
#0095CD
oklch(63.1% 0.132 234.2)
-
Step 600
600
#007DAD
oklch(55.6% 0.117 234.3)
-
Step 700
700
#006992
oklch(49.1% 0.103 234.3)
-
Step 800
800
#005679
oklch(42.8% 0.09 234.7)
-
Step 900
900
#004765
oklch(37.6% 0.08 234.9)
-
Step 950
950
#002A3E
oklch(26.9% 0.057 235.2)
#ADDEFB 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) | #D1DCFD | 0.044 |
| Deuteranopia (no green cones) | #C6D3FB | 0.039 |
| Tritanopia (no blue cones) | #94E6E7 | 0.049 |
| Achromatopsia (no color) | #D7D7D7 | 0.065 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #ADDEFB
#ADDEFB
oklch(87.6% 0.065 234.5)
- #F9CCAE
#F9CCAE
oklch(87.7% 0.065 55.4)
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 #ADDEFB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Blue #ADD8E6 ΔE 0.029
- Powder Blue #B0E0E6 ΔE 0.032
- Celeste #A8DADC ΔE 0.043
- Baby Blue #A2CFFE ΔE 0.045
- Robin's Egg Blue #98EFF9 ΔE 0.049
- Pale Turquoise #AFEEEE ΔE 0.052
- Cadet Gray #CED4DA ΔE 0.055
- Light Blue Grey #B7C9E2 ΔE 0.055
Use #ADDEFB 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.