#B1D4DF
Closest named color: Light Blue (#ADD8E6). oklch(84.8% 0.04 218.8), rgb(177, 212, 223).
Aa
Black text reads best on this color (13.35:1).
About this color
#B1D4DF is a light, muted teal or cyan. In OKLCH its lightness is 85%, its chroma 0.040 and its hue 219°. Its hue sits on the cool side of the wheel. The nearest named color is Light Blue (#ADD8E6), ΔE 0.012 away. Black text reads best on it, at 13.35:1.
| Hue family | Teals and cyans |
| Lightness | light (85%) |
| Chroma | muted (0.040) |
| Temperature | cool |
| Nearest name | Light Blue (#ADD8E6) |
| Black text | 13.35:1 |
| White text | 1.57:1 |
Values
| HEX | #B1D4DF |
| RGB | rgb(177, 212, 223) |
| HSL | hsl(194, 42%, 78%) |
| OKLCH | oklch(84.8% 0.04 218.8) |
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 #B1D4DF | 1.57:1 | Fails | Lc -29.5 | Dividers and decoration only |
| Black text on #B1D4DF | 13.35:1 | AAA | Lc 77.7 | Fine for body text |
| #B1D4DF text on white | 1.57:1 | Fails | Lc 26.1 | Dividers and decoration only |
| #B1D4DF text on black | 13.35:1 | AAA | Lc -76.9 | 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
#F1F7F9
oklch(97.2% 0.007 219.6)
-
Step 100
100
#E0ECF1
oklch(93.6% 0.015 224.5)
-
Step 200
200 (this color)
#B1D4DF
oklch(84.8% 0.04 218.8)
-
Step 300
300
#9CC9D7
oklch(80.9% 0.051 218.8)
-
Step 400
400
#60ADC3
oklch(70.6% 0.082 218.5)
-
Step 500
500
#2498B4
oklch(63.1% 0.105 218.6)
-
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
#00596B
oklch(42.8% 0.077 217.7)
-
Step 900
900
#004A5A
oklch(37.8% 0.068 218.5)
-
Step 950
950
#062B35
oklch(26.9% 0.044 220.1)
#B1D4DF 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) | #CDD2E0 | 0.036 |
| Deuteranopia (no green cones) | #C5CCDF | 0.031 |
| Tritanopia (no blue cones) | #A4D8D7 | 0.024 |
| Achromatopsia (no color) | #CECECE | 0.040 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B1D4DF
#B1D4DF
oklch(84.8% 0.04 218.8)
- #E6C5BA
#E6C5BA
oklch(84.9% 0.041 39.3)
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 #B1D4DF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Blue #ADD8E6 ΔE 0.012
- Celeste #A8DADC ΔE 0.020
- Powder Blue #B0E0E6 ΔE 0.031
- Light Blue Grey #B7C9E2 ΔE 0.032
- Cadet Gray #CED4DA ΔE 0.037
- Light Steel Blue #B0C4DE ΔE 0.043
- Light Gray #D3D3D3 ΔE 0.044
- Cloudy Blue #ACC2D9 ΔE 0.048
Use #B1D4DF 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.