#B4DDEE
Closest named color: Powder Blue (#B0E0E6). oklch(87.4% 0.049 225), rgb(180, 221, 238).
Aa
Black text reads best on this color (14.51:1).
About this color
#B4DDEE is a light, muted teal or cyan. In OKLCH its lightness is 87%, its chroma 0.049 and its hue 225°. Its hue sits on the cool side of the wheel. The nearest named color is Powder Blue (#B0E0E6), ΔE 0.017 away. Black text reads best on it, at 14.51:1.
| Hue family | Teals and cyans |
| Lightness | light (87%) |
| Chroma | muted (0.049) |
| Temperature | cool |
| Nearest name | Powder Blue (#B0E0E6) |
| Black text | 14.51:1 |
| White text | 1.44:1 |
Values
| HEX | #B4DDEE |
| RGB | rgb(180, 221, 238) |
| HSL | hsl(198, 63%, 82%) |
| OKLCH | oklch(87.4% 0.049 225) |
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 #B4DDEE | 1.44:1 | Fails | Lc -24.2 | Dividers and decoration only |
| Black text on #B4DDEE | 14.51:1 | AAA | Lc 82.4 | Fine for body text |
| #B4DDEE text on white | 1.44:1 | Fails | Lc 21.3 | Dividers and decoration only |
| #B4DDEE text on black | 14.51:1 | AAA | Lc -82.0 | 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)
#B4DDEE
oklch(87.4% 0.049 225)
-
Step 300
300
#95CADF
oklch(80.9% 0.062 224.4)
-
Step 400
400
#51AED0
oklch(70.8% 0.101 225)
-
Step 500
500
#0098C0
oklch(63.2% 0.12 225)
-
Step 600
600
#007FA1
oklch(55.5% 0.105 225)
-
Step 700
700
#006B88
oklch(49.1% 0.093 224.9)
-
Step 800
800
#005870
oklch(42.8% 0.081 224.4)
-
Step 900
900
#00495E
oklch(37.7% 0.071 225)
-
Step 950
950
#002B39
oklch(26.9% 0.051 225.5)
#B4DDEE 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) | #D4DBEF | 0.040 |
| Deuteranopia (no green cones) | #CBD3EE | 0.037 |
| Tritanopia (no blue cones) | #A3E2E2 | 0.032 |
| Achromatopsia (no color) | #D6D6D6 | 0.049 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B4DDEE
#B4DDEE
oklch(87.4% 0.049 225)
- #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 #B4DDEE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Powder Blue #B0E0E6 ΔE 0.017
- Light Blue #ADD8E6 ΔE 0.018
- Celeste #A8DADC ΔE 0.030
- Cadet Gray #CED4DA ΔE 0.040
- Pale Turquoise #AFEEEE ΔE 0.046
- Light Gray #D3D3D3 ΔE 0.049
- Robin's Egg Blue #98EFF9 ΔE 0.050
- Light Blue Grey #B7C9E2 ΔE 0.051
Use #B4DDEE 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.