#B4D4EB
Closest named color: Light Blue (#ADD8E6). oklch(85.4% 0.047 239.4), rgb(180, 212, 235).
Aa
Black text reads best on this color (13.55:1).
About this color
#B4D4EB is a light, muted blue. In OKLCH its lightness is 85%, its chroma 0.047 and its hue 239°. Its hue sits on the cool side of the wheel. The nearest named color is Light Blue (#ADD8E6), ΔE 0.017 away. Black text reads best on it, at 13.55:1.
| Hue family | Blues |
| Lightness | light (85%) |
| Chroma | muted (0.047) |
| Temperature | cool |
| Nearest name | Light Blue (#ADD8E6) |
| Black text | 13.55:1 |
| White text | 1.54:1 |
Values
| HEX | #B4D4EB |
| RGB | rgb(180, 212, 235) |
| HSL | hsl(205, 58%, 81%) |
| OKLCH | oklch(85.4% 0.047 239.4) |
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 #B4D4EB | 1.54:1 | Fails | Lc -28.6 | Dividers and decoration only |
| Black text on #B4D4EB | 13.55:1 | AAA | Lc 78.5 | Fine for body text |
| #B4D4EB text on white | 1.54:1 | Fails | Lc 25.2 | Dividers and decoration only |
| #B4D4EB text on black | 13.55:1 | AAA | Lc -77.8 | 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
#E0ECF5
oklch(93.7% 0.018 240)
-
Step 200
200 (this color)
#B4D4EB
oklch(85.4% 0.047 239.4)
-
Step 300
300
#9DC7E4
oklch(80.9% 0.061 238.6)
-
Step 400
400
#65A9D6
oklch(70.7% 0.096 239.1)
-
Step 500
500
#3192CC
oklch(63.1% 0.124 239.8)
-
Step 600
600
#007BB5
oklch(55.6% 0.127 239.8)
-
Step 700
700
#006899
oklch(49.2% 0.111 239.3)
-
Step 800
800
#00557E
oklch(42.8% 0.097 239.2)
-
Step 900
900
#094667
oklch(37.6% 0.08 239.5)
-
Step 950
950
#0A293D
oklch(26.9% 0.052 241)
#B4D4EB 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) | #CAD3EC | 0.028 |
| Deuteranopia (no green cones) | #C3CDEB | 0.025 |
| Tritanopia (no blue cones) | #A5DADB | 0.037 |
| Achromatopsia (no color) | #D0D0D0 | 0.047 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B4D4EB
#B4D4EB
oklch(85.4% 0.047 239.4)
- #E7C8B1
#E7C8B1
oklch(85.3% 0.047 58.6)
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 #B4D4EB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Blue #ADD8E6 ΔE 0.017
- Light Blue Grey #B7C9E2 ΔE 0.028
- Celeste #A8DADC ΔE 0.034
- Powder Blue #B0E0E6 ΔE 0.035
- Cadet Gray #CED4DA ΔE 0.039
- Baby Blue #A2CFFE ΔE 0.039
- Light Steel Blue #B0C4DE ΔE 0.042
- Light Gray #D3D3D3 ΔE 0.049
Use #B4D4EB 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.