#B5CFDB
Closest named color: Light Blue Grey (#B7C9E2). oklch(83.9% 0.033 227.3), rgb(181, 207, 219).
Aa
Black text reads best on this color (12.91:1).
About this color
#B5CFDB is a light, muted teal or cyan. In OKLCH its lightness is 84%, its chroma 0.033 and its hue 227°. Its hue sits on the cool side of the wheel. The nearest named color is Light Blue Grey (#B7C9E2), ΔE 0.022 away. Black text reads best on it, at 12.91:1.
| Hue family | Teals and cyans |
| Lightness | light (84%) |
| Chroma | muted (0.033) |
| Temperature | cool |
| Nearest name | Light Blue Grey (#B7C9E2) |
| Black text | 12.91:1 |
| White text | 1.62:1 |
Values
| HEX | #B5CFDB |
| RGB | rgb(181, 207, 219) |
| HSL | hsl(199, 35%, 78%) |
| OKLCH | oklch(83.9% 0.033 227.3) |
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 #B5CFDB | 1.62:1 | Fails | Lc -31.6 | Non-text elements, placeholder text |
| Black text on #B5CFDB | 12.91:1 | AAA | Lc 75.8 | Fine for body text |
| #B5CFDB text on white | 1.62:1 | Fails | Lc 28.0 | Dividers and decoration only |
| #B5CFDB text on black | 12.91:1 | AAA | Lc -75.0 | Content text, not long reading |
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
#F3F6F8
oklch(97.1% 0.004 236.5)
-
Step 100
100
#E4EBEF
oklch(93.6% 0.009 232.4)
-
Step 200
200
#CDDCE3
oklch(88.5% 0.019 227.3)
-
Step 300
300 (this color)
#B5CFDB
oklch(83.9% 0.033 227.3)
-
Step 400
400
#7EA8BA
oklch(70.7% 0.052 226.2)
-
Step 500
500
#5C92A9
oklch(63.1% 0.067 226.9)
-
Step 600
600
#417C94
oklch(55.6% 0.072 226.8)
-
Step 700
700
#32687F
oklch(49% 0.068 228.3)
-
Step 800
800
#2A5567
oklch(42.7% 0.056 227.6)
-
Step 900
900
#274654
oklch(37.6% 0.044 228.8)
-
Step 950
950
#172931
oklch(26.9% 0.028 227.9)
#B5CFDB 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) | #C9CDDC | 0.026 |
| Deuteranopia (no green cones) | #C3C9DB | 0.023 |
| Tritanopia (no blue cones) | #ABD3D3 | 0.022 |
| Achromatopsia (no color) | #CBCBCB | 0.033 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B5CFDB
#B5CFDB
oklch(83.9% 0.033 227.3)
- #DDC4B8
#DDC4B8
oklch(83.8% 0.033 47.3)
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 #B5CFDB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Blue Grey #B7C9E2 ΔE 0.022
- Light Blue #ADD8E6 ΔE 0.024
- Celeste #A8DADC ΔE 0.031
- Light Steel Blue #B0C4DE ΔE 0.033
- Cadet Gray #CED4DA ΔE 0.036
- Cloudy Blue #ACC2D9 ΔE 0.038
- Light Gray #D3D3D3 ΔE 0.043
- Powder Blue #B0E0E6 ΔE 0.043
Use #B5CFDB 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.