#B4DDEA
Closest named color: Powder Blue (#B0E0E6). oklch(87.3% 0.046 219.1), rgb(180, 221, 234).
Aa
Black text reads best on this color (14.47:1).
About this color
#B4DDEA is a light, muted teal or cyan. In OKLCH its lightness is 87%, its chroma 0.046 and its hue 219°. Its hue sits on the cool side of the wheel. The nearest named color is Powder Blue (#B0E0E6), ΔE 0.012 away. Black text reads best on it, at 14.47:1.
| Hue family | Teals and cyans |
| Lightness | light (87%) |
| Chroma | muted (0.046) |
| Temperature | cool |
| Nearest name | Powder Blue (#B0E0E6) |
| Black text | 14.47:1 |
| White text | 1.45:1 |
Values
| HEX | #B4DDEA |
| RGB | rgb(180, 221, 234) |
| HSL | hsl(194, 56%, 81%) |
| OKLCH | oklch(87.3% 0.046 219.1) |
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 #B4DDEA | 1.45:1 | Fails | Lc -24.4 | Dividers and decoration only |
| Black text on #B4DDEA | 14.47:1 | AAA | Lc 82.2 | Fine for body text |
| #B4DDEA text on white | 1.45:1 | Fails | Lc 21.5 | Dividers and decoration only |
| #B4DDEA text on black | 14.47:1 | AAA | Lc -81.8 | 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
#F0F7F9
oklch(97.1% 0.008 216.6)
-
Step 100
100
#DEEDF2
oklch(93.6% 0.017 219.7)
-
Step 200
200 (this color)
#B4DDEA
oklch(87.3% 0.046 219.1)
-
Step 300
300
#95CADB
oklch(80.8% 0.06 219.7)
-
Step 400
400
#52AFC9
oklch(70.8% 0.095 218.9)
-
Step 500
500
#0099B8
oklch(63.1% 0.114 219)
-
Step 600
600
#00819B
oklch(55.7% 0.1 218.5)
-
Step 700
700
#006C83
oklch(49.1% 0.089 219.3)
-
Step 800
800
#00586C
oklch(42.6% 0.078 220.2)
-
Step 900
900
#004A5A
oklch(37.8% 0.068 218.5)
-
Step 950
950
#002C37
oklch(27.1% 0.049 219.4)
#B4DDEA 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) | #D5DAEB | 0.041 |
| Deuteranopia (no green cones) | #CCD3EA | 0.038 |
| Tritanopia (no blue cones) | #A4E2E1 | 0.028 |
| Achromatopsia (no color) | #D6D6D6 | 0.047 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B4DDEA
#B4DDEA
oklch(87.3% 0.046 219.1)
- #F1CBBF
#F1CBBF
oklch(87.1% 0.046 38.3)
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 #B4DDEA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Powder Blue #B0E0E6 ΔE 0.012
- Light Blue #ADD8E6 ΔE 0.016
- Celeste #A8DADC ΔE 0.025
- Cadet Gray #CED4DA ΔE 0.038
- Pale Turquoise #AFEEEE ΔE 0.044
- Light Gray #D3D3D3 ΔE 0.047
- Robin's Egg Blue #98EFF9 ΔE 0.050
- Light Blue Grey #B7C9E2 ΔE 0.051
Use #B4DDEA 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.