#B4D5EB
Closest named color: Light Blue (#ADD8E6). oklch(85.6% 0.047 237.3), rgb(180, 213, 235).
Aa
Black text reads best on this color (13.65:1).
About this color
#B4D5EB is a light, muted blue. In OKLCH its lightness is 86%, its chroma 0.047 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 13.65:1.
| Hue family | Blues |
| Lightness | light (86%) |
| Chroma | muted (0.047) |
| Temperature | cool |
| Nearest name | Light Blue (#ADD8E6) |
| Black text | 13.65:1 |
| White text | 1.53:1 |
Values
| HEX | #B4D5EB |
| RGB | rgb(180, 213, 235) |
| HSL | hsl(204, 58%, 81%) |
| OKLCH | oklch(85.6% 0.047 237.3) |
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 #B4D5EB | 1.53:1 | Fails | Lc -28.1 | Dividers and decoration only |
| Black text on #B4D5EB | 13.65:1 | AAA | Lc 78.9 | Fine for body text |
| #B4D5EB text on white | 1.53:1 | Fails | Lc 24.8 | Dividers and decoration only |
| #B4D5EB text on black | 13.65:1 | AAA | Lc -78.3 | 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)
#B4D5EB
oklch(85.6% 0.047 237.3)
-
Step 300
300
#9DC7E3
oklch(80.9% 0.06 237.7)
-
Step 400
400
#63A9D5
oklch(70.6% 0.096 237.8)
-
Step 500
500
#2C93CA
oklch(63.1% 0.123 237.3)
-
Step 600
600
#007CB1
oklch(55.6% 0.122 237.2)
-
Step 700
700
#006896
oklch(49.1% 0.108 237.6)
-
Step 800
800
#00557C
oklch(42.7% 0.094 237.9)
-
Step 900
900
#054766
oklch(37.7% 0.079 236.7)
-
Step 950
950
#082A3C
oklch(27.1% 0.051 236.4)
#B4D5EB 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) | #CBD4EC | 0.029 |
| Deuteranopia (no green cones) | #C4CEEB | 0.026 |
| Tritanopia (no blue cones) | #A4DBDC | 0.036 |
| Achromatopsia (no color) | #D0D0D0 | 0.047 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B4D5EB
#B4D5EB
oklch(85.6% 0.047 237.3)
- #E8C9B3
#E8C9B3
oklch(85.6% 0.046 57.4)
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 #B4D5EB, 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 0.030
- Celeste #A8DADC ΔE 0.032
- Powder Blue #B0E0E6 ΔE 0.033
- Cadet Gray #CED4DA ΔE 0.038
- Baby Blue #A2CFFE ΔE 0.041
- Light Steel Blue #B0C4DE ΔE 0.045
- Light Gray #D3D3D3 ΔE 0.048
Use #B4D5EB 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.