#B4D4E9
Closest named color: Light Blue (#ADD8E6). oklch(85.3% 0.045 236.8), rgb(180, 212, 233).
Aa
Black text reads best on this color (13.53:1).
About this color
#B4D4E9 is a light, muted blue. In OKLCH its lightness is 85%, its chroma 0.045 and its hue 237°. 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 13.53:1.
| Hue family | Blues |
| Lightness | light (85%) |
| Chroma | muted (0.045) |
| Temperature | cool |
| Nearest name | Light Blue (#ADD8E6) |
| Black text | 13.53:1 |
| White text | 1.55:1 |
Values
| HEX | #B4D4E9 |
| RGB | rgb(180, 212, 233) |
| HSL | hsl(204, 55%, 81%) |
| OKLCH | oklch(85.3% 0.045 236.8) |
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 #B4D4E9 | 1.55:1 | Fails | Lc -28.7 | Dividers and decoration only |
| Black text on #B4D4E9 | 13.53:1 | AAA | Lc 78.4 | Fine for body text |
| #B4D4E9 text on white | 1.55:1 | Fails | Lc 25.3 | Dividers and decoration only |
| #B4D4E9 text on black | 13.53:1 | AAA | Lc -77.7 | 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
#F1F6FA
oklch(97.1% 0.008 241.7)
-
Step 100
100
#E0ECF4
oklch(93.6% 0.017 236.7)
-
Step 200
200 (this color)
#B4D4E9
oklch(85.3% 0.045 236.8)
-
Step 300
300
#9EC7E2
oklch(80.9% 0.058 237.3)
-
Step 400
400
#65A9D3
oklch(70.6% 0.093 237.2)
-
Step 500
500
#3193C7
oklch(63% 0.118 236.6)
-
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
#0A4765
oklch(37.7% 0.077 236.7)
-
Step 950
950
#0A2A3B
oklch(27.1% 0.048 236)
#B4D4E9 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) | #CBD3EA | 0.029 |
| Deuteranopia (no green cones) | #C3CDE9 | 0.025 |
| Tritanopia (no blue cones) | #A5D9DB | 0.033 |
| Achromatopsia (no color) | #CFCFCF | 0.045 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B4D4E9
#B4D4E9
oklch(85.3% 0.045 236.8)
- #E7C8B3
#E7C8B3
oklch(85.4% 0.045 56.1)
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 #B4D4E9, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Blue #ADD8E6 ΔE 0.015
- Light Blue Grey #B7C9E2 ΔE 0.028
- Celeste #A8DADC ΔE 0.032
- Powder Blue #B0E0E6 ΔE 0.034
- Cadet Gray #CED4DA ΔE 0.037
- Baby Blue #A2CFFE ΔE 0.042
- Light Steel Blue #B0C4DE ΔE 0.042
- Light Gray #D3D3D3 ΔE 0.047
Use #B4D4E9 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.