#B1D4DA
Closest named color: Light Blue (#ADD8E6). oklch(84.6% 0.038 209.1), rgb(177, 212, 218).
Aa
Black text reads best on this color (13.29:1).
About this color
#B1D4DA is a light, muted teal or cyan. In OKLCH its lightness is 85%, its chroma 0.038 and its hue 209°. 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 13.29:1.
| Hue family | Teals and cyans |
| Lightness | light (85%) |
| Chroma | muted (0.038) |
| Temperature | cool |
| Nearest name | Light Blue (#ADD8E6) |
| Black text | 13.29:1 |
| White text | 1.57:1 |
Values
| HEX | #B1D4DA |
| RGB | rgb(177, 212, 218) |
| HSL | hsl(189, 36%, 77%) |
| OKLCH | oklch(84.6% 0.038 209.1) |
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 #B1D4DA | 1.57:1 | Fails | Lc -29.8 | Dividers and decoration only |
| Black text on #B1D4DA | 13.29:1 | AAA | Lc 77.5 | Fine for body text |
| #B1D4DA text on white | 1.57:1 | Fails | Lc 26.3 | Dividers and decoration only |
| #B1D4DA text on black | 13.29:1 | AAA | Lc -76.7 | 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 300.
-
Step 50
50
#F2F6F7
oklch(97% 0.004 214.3)
-
Step 100
100
#E2ECEE
oklch(93.6% 0.011 211)
-
Step 200
200
#CADDE1
oklch(88.5% 0.021 211.8)
-
Step 300
300 (this color)
#B1D4DA
oklch(84.6% 0.038 209.1)
-
Step 400
400
#73ABB5
oklch(70.6% 0.06 209.9)
-
Step 500
500
#4A97A3
oklch(63.2% 0.078 208.8)
-
Step 600
600
#26818E
oklch(55.7% 0.084 208.9)
-
Step 700
700
#166D79
oklch(49.2% 0.079 209.1)
-
Step 800
800
#175962
oklch(42.8% 0.065 208.3)
-
Step 900
900
#1B4950
oklch(37.7% 0.051 208.9)
-
Step 950
950
#112B2F
oklch(27% 0.033 208.6)
#B1D4DA 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) | #CED1DA | 0.037 |
| Deuteranopia (no green cones) | #C7CBDA | 0.035 |
| Tritanopia (no blue cones) | #A5D7D6 | 0.018 |
| Achromatopsia (no color) | #CECECE | 0.038 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B1D4DA
#B1D4DA
oklch(84.6% 0.038 209.1)
- #E5C4BF
#E5C4BF
oklch(84.7% 0.038 28.1)
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 #B1D4DA, 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 0.017
- Powder Blue #B0E0E6 ΔE 0.031
- Light Blue Grey #B7C9E2 ΔE 0.035
- Cadet Gray #CED4DA ΔE 0.037
- Light Gray #D3D3D3 ΔE 0.043
- Light Steel Blue #B0C4DE ΔE 0.046
- Cloudy Blue #ACC2D9 ΔE 0.050
Use #B1D4DA 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.