#B4D5DA
Closest named color: Light Blue (#ADD8E6). oklch(85.1% 0.036 207.7), rgb(180, 213, 218).
Aa
Black text reads best on this color (13.47:1).
About this color
#B4D5DA is a light, muted teal or cyan. In OKLCH its lightness is 85%, its chroma 0.036 and its hue 208°. Its hue sits on the cool side of the wheel. The nearest named color is Light Blue (#ADD8E6), ΔE 0.017 away. Black text reads best on it, at 13.47:1.
| Hue family | Teals and cyans |
| Lightness | light (85%) |
| Chroma | muted (0.036) |
| Temperature | cool |
| Nearest name | Light Blue (#ADD8E6) |
| Black text | 13.47:1 |
| White text | 1.55:1 |
Values
| HEX | #B4D5DA |
| RGB | rgb(180, 213, 218) |
| HSL | hsl(188, 34%, 78%) |
| OKLCH | oklch(85.1% 0.036 207.7) |
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 #B4D5DA | 1.55:1 | Fails | Lc -29.0 | Dividers and decoration only |
| Black text on #B4D5DA | 13.47:1 | AAA | Lc 78.2 | Fine for body text |
| #B4D5DA text on white | 1.55:1 | Fails | Lc 25.6 | Dividers and decoration only |
| #B4D5DA text on black | 13.47:1 | AAA | Lc -77.5 | 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
#F1F7F7
oklch(97.2% 0.006 197.1)
-
Step 100
100
#E0EDEE
oklch(93.7% 0.014 202.5)
-
Step 200
200 (this color)
#B4D5DA
oklch(85.1% 0.036 207.7)
-
Step 300
300
#9FC9D0
oklch(80.8% 0.045 208.8)
-
Step 400
400
#66AEB8
oklch(70.7% 0.074 207.1)
-
Step 500
500
#3299A7
oklch(63.1% 0.094 208.1)
-
Step 600
600
#008290
oklch(55.5% 0.095 208)
-
Step 700
700
#006E79
oklch(49.2% 0.084 206.9)
-
Step 800
800
#005A64
oklch(42.8% 0.073 207.9)
-
Step 900
900
#094A52
oklch(37.6% 0.061 207.9)
-
Step 950
950
#0A2C30
oklch(27.1% 0.039 206.2)
#B4D5DA 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) | #CFD2DA | 0.035 |
| Deuteranopia (no green cones) | #C8CDDA | 0.031 |
| Tritanopia (no blue cones) | #A9D8D6 | 0.017 |
| Achromatopsia (no color) | #CFCFCF | 0.036 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B4D5DA
#B4D5DA
oklch(85.1% 0.036 207.7)
- #E5C6C1
#E5C6C1
oklch(85.1% 0.036 28.7)
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 #B4D5DA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Blue #ADD8E6 ΔE 0.017
- Celeste #A8DADC ΔE 0.018
- Powder Blue #B0E0E6 ΔE 0.029
- Cadet Gray #CED4DA ΔE 0.033
- Light Blue Grey #B7C9E2 ΔE 0.038
- Light Gray #D3D3D3 ΔE 0.039
- Light Steel Blue #B0C4DE ΔE 0.049
- Cloudy Blue #ACC2D9 ΔE 0.053
Use #B4D5DA 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.