#B4D8EF
Closest named color: Light Blue (#ADD8E6). oklch(86.4% 0.05 236.2), rgb(180, 216, 239).
Aa
Black text reads best on this color (14.00:1).
About this color
#B4D8EF is a light, muted blue. In OKLCH its lightness is 86%, its chroma 0.050 and its hue 236°. Its hue sits on the cool side of the wheel. The nearest named color is Light Blue (#ADD8E6), ΔE 0.016 away. Black text reads best on it, at 14.00:1.
| Hue family | Blues |
| Lightness | light (86%) |
| Chroma | muted (0.050) |
| Temperature | cool |
| Nearest name | Light Blue (#ADD8E6) |
| Black text | 14.00:1 |
| White text | 1.49:1 |
Values
| HEX | #B4D8EF |
| RGB | rgb(180, 216, 239) |
| HSL | hsl(203, 65%, 82%) |
| OKLCH | oklch(86.4% 0.05 236.2) |
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 #B4D8EF | 1.49:1 | Fails | Lc -26.5 | Dividers and decoration only |
| Black text on #B4D8EF | 14.00:1 | AAA | Lc 80.4 | Fine for body text |
| #B4D8EF text on white | 1.49:1 | Fails | Lc 23.4 | Dividers and decoration only |
| #B4D8EF text on black | 14.00:1 | AAA | Lc -79.8 | 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
#F0F6FB
oklch(97% 0.009 242.8)
-
Step 100
100
#DFECF5
oklch(93.6% 0.018 237.8)
-
Step 200
200 (this color)
#B4D8EF
oklch(86.4% 0.05 236.2)
-
Step 300
300
#99C8E5
oklch(81% 0.064 235.7)
-
Step 400
400
#5CAAD8
oklch(70.7% 0.102 236.6)
-
Step 500
500
#1794CD
oklch(63.1% 0.13 235.9)
-
Step 600
600
#007CB0
oklch(55.5% 0.121 236.7)
-
Step 700
700
#006894
oklch(49% 0.106 236.4)
-
Step 800
800
#00567A
oklch(42.8% 0.091 235.4)
-
Step 900
900
#004767
oklch(37.7% 0.082 236.6)
-
Step 950
950
#042A3D
oklch(27% 0.054 235.8)
#B4D8EF 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) | #CED7F0 | 0.033 |
| Deuteranopia (no green cones) | #C6D0EF | 0.029 |
| Tritanopia (no blue cones) | #A3DEDF | 0.038 |
| Achromatopsia (no color) | #D3D3D3 | 0.050 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B4D8EF
#B4D8EF
oklch(86.4% 0.05 236.2)
- #EDCBB3
#EDCBB3
oklch(86.5% 0.05 57.2)
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 #B4D8EF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Blue #ADD8E6 ΔE 0.016
- Powder Blue #B0E0E6 ΔE 0.029
- Celeste #A8DADC ΔE 0.034
- Light Blue Grey #B7C9E2 ΔE 0.038
- Cadet Gray #CED4DA ΔE 0.040
- Baby Blue #A2CFFE ΔE 0.043
- Light Gray #D3D3D3 ΔE 0.050
- Light Steel Blue #B0C4DE ΔE 0.053
Use #B4D8EF 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.