#B4D9EE
Closest named color: Light Blue (#ADD8E6). oklch(86.5% 0.049 233), rgb(180, 217, 238).
Aa
Black text reads best on this color (14.10:1).
About this color
#B4D9EE is a light, muted blue. In OKLCH its lightness is 87%, its chroma 0.049 and its hue 233°. Its hue sits on the cool side of the wheel. The nearest named color is Light Blue (#ADD8E6), ΔE 0.015 away. Black text reads best on it, at 14.10:1.
| Hue family | Blues |
| Lightness | light (87%) |
| Chroma | muted (0.049) |
| Temperature | cool |
| Nearest name | Light Blue (#ADD8E6) |
| Black text | 14.10:1 |
| White text | 1.48:1 |
Values
| HEX | #B4D9EE |
| RGB | rgb(180, 217, 238) |
| HSL | hsl(202, 63%, 82%) |
| OKLCH | oklch(86.5% 0.049 233) |
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 #B4D9EE | 1.48:1 | Fails | Lc -26.1 | Dividers and decoration only |
| Black text on #B4D9EE | 14.10:1 | AAA | Lc 80.7 | Fine for body text |
| #B4D9EE text on white | 1.48:1 | Fails | Lc 23.0 | Dividers and decoration only |
| #B4D9EE text on black | 14.10:1 | AAA | Lc -80.2 | 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
#F0F7FA
oklch(97.2% 0.008 225.1)
-
Step 100
100
#DFECF4
oklch(93.6% 0.018 234.5)
-
Step 200
200 (this color)
#B4D9EE
oklch(86.5% 0.049 233)
-
Step 300
300
#99C8E3
oklch(80.9% 0.062 233.7)
-
Step 400
400
#5AABD5
oklch(70.7% 0.1 233.3)
-
Step 500
500
#0C95CA
oklch(63.1% 0.128 233.2)
-
Step 600
600
#007DAB
oklch(55.5% 0.115 233.2)
-
Step 700
700
#006990
oklch(49% 0.101 232.9)
-
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
#032A3C
oklch(26.9% 0.053 233.9)
#B4D9EE 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) | #CFD7EF | 0.034 |
| Deuteranopia (no green cones) | #C7D1EE | 0.030 |
| Tritanopia (no blue cones) | #A3DFE0 | 0.036 |
| Achromatopsia (no color) | #D4D4D4 | 0.049 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B4D9EE
#B4D9EE
oklch(86.5% 0.049 233)
- #EECBB6
#EECBB6
oklch(86.6% 0.049 52.8)
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 #B4D9EE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Blue #ADD8E6 ΔE 0.015
- Powder Blue #B0E0E6 ΔE 0.025
- Celeste #A8DADC ΔE 0.031
- Cadet Gray #CED4DA ΔE 0.039
- Light Blue Grey #B7C9E2 ΔE 0.040
- Baby Blue #A2CFFE ΔE 0.046
- Light Gray #D3D3D3 ΔE 0.049
- Light Steel Blue #B0C4DE ΔE 0.055
Use #B4D9EE 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.