#B4DDEF
Closest named color: Powder Blue (#B0E0E6). oklch(87.4% 0.05 226.4), rgb(180, 221, 239).
Aa
Black text reads best on this color (14.52:1).
About this color
#B4DDEF is a light, muted teal or cyan. In OKLCH its lightness is 87%, its chroma 0.050 and its hue 226°. Its hue sits on the cool side of the wheel. The nearest named color is Powder Blue (#B0E0E6), ΔE 0.018 away. Black text reads best on it, at 14.52:1.
| Hue family | Teals and cyans |
| Lightness | light (87%) |
| Chroma | muted (0.050) |
| Temperature | cool |
| Nearest name | Powder Blue (#B0E0E6) |
| Black text | 14.52:1 |
| White text | 1.44:1 |
Values
| HEX | #B4DDEF |
| RGB | rgb(180, 221, 239) |
| HSL | hsl(198, 65%, 82%) |
| OKLCH | oklch(87.4% 0.05 226.4) |
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 #B4DDEF | 1.44:1 | Fails | Lc -24.2 | Dividers and decoration only |
| Black text on #B4DDEF | 14.52:1 | AAA | Lc 82.5 | Fine for body text |
| #B4DDEF text on white | 1.44:1 | Fails | Lc 21.2 | Dividers and decoration only |
| #B4DDEF text on black | 14.52:1 | AAA | Lc -82.1 | 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
#DEEDF3
oklch(93.7% 0.018 223.6)
-
Step 200
200 (this color)
#B4DDEF
oklch(87.4% 0.05 226.4)
-
Step 300
300
#95CAE1
oklch(81% 0.064 226.6)
-
Step 400
400
#50ADD1
oklch(70.6% 0.102 226.4)
-
Step 500
500
#0097C1
oklch(63% 0.121 226.4)
-
Step 600
600
#007FA3
oklch(55.6% 0.107 226.4)
-
Step 700
700
#006B8A
oklch(49.2% 0.095 226.5)
-
Step 800
800
#005771
oklch(42.6% 0.082 226.6)
-
Step 900
900
#00495F
oklch(37.8% 0.072 226.2)
-
Step 950
950
#002B3A
oklch(27% 0.052 227.2)
#B4DDEF 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) | #D3DBF0 | 0.038 |
| Deuteranopia (no green cones) | #CAD4EF | 0.034 |
| Tritanopia (no blue cones) | #A2E3E3 | 0.034 |
| Achromatopsia (no color) | #D7D7D7 | 0.050 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B4DDEF
#B4DDEF
oklch(87.4% 0.05 226.4)
- #F2CCBB
#F2CCBB
oklch(87.3% 0.049 45.5)
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 #B4DDEF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Powder Blue #B0E0E6 ΔE 0.018
- Light Blue #ADD8E6 ΔE 0.019
- Celeste #A8DADC ΔE 0.031
- Cadet Gray #CED4DA ΔE 0.041
- Pale Turquoise #AFEEEE ΔE 0.046
- Light Gray #D3D3D3 ΔE 0.050
- Robin's Egg Blue #98EFF9 ΔE 0.050
- Light Blue Grey #B7C9E2 ΔE 0.051
Use #B4DDEF 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.