#B1CDF2
Closest named color: Light Blue Grey (#B7C9E2). oklch(84% 0.06 255.5), rgb(177, 205, 242).
Aa
Black text reads best on this color (12.88:1).
About this color
#B1CDF2 is a light, muted blue. In OKLCH its lightness is 84%, its chroma 0.060 and its hue 255°. 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 12.88:1.
| Hue family | Blues |
| Lightness | light (84%) |
| Chroma | muted (0.060) |
| Temperature | cool |
| Nearest name | Light Blue Grey (#B7C9E2) |
| Black text | 12.88:1 |
| White text | 1.62:1 |
Values
| HEX | #B1CDF2 |
| RGB | rgb(177, 205, 242) |
| HSL | hsl(214, 71%, 82%) |
| OKLCH | oklch(84% 0.06 255.5) |
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 #B1CDF2 | 1.62:1 | Fails | Lc -31.7 | Non-text elements, placeholder text |
| Black text on #B1CDF2 | 12.88:1 | AAA | Lc 75.7 | Fine for body text |
| #B1CDF2 text on white | 1.62:1 | Fails | Lc 28.1 | Dividers and decoration only |
| #B1CDF2 text on black | 12.88:1 | AAA | Lc -74.8 | 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
#F2F6FB
oklch(97.2% 0.008 253.9)
-
Step 100
100
#E2EBF6
oklch(93.7% 0.018 253.3)
-
Step 200
200
#CBDBF0
oklch(88.6% 0.034 255.2)
-
Step 300
300 (this color)
#B1CDF2
oklch(84% 0.06 255.5)
-
Step 400
400
#78A3DC
oklch(70.7% 0.096 255.7)
-
Step 500
500
#548BD2
oklch(63% 0.123 255.5)
-
Step 600
600
#3874C0
oklch(55.7% 0.134 255.6)
-
Step 700
700
#2A61A5
oklch(49.1% 0.124 255.3)
-
Step 800
800
#244F86
oklch(42.6% 0.103 255.8)
-
Step 900
900
#22426B
oklch(37.6% 0.08 255.5)
-
Step 950
950
#15273F
oklch(27% 0.051 256.1)
#B1CDF2 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) | #C0CEF4 | 0.020 |
| Deuteranopia (no green cones) | #B9C8F1 | 0.015 |
| Tritanopia (no blue cones) | #9FD5D9 | 0.053 |
| Achromatopsia (no color) | #CBCBCB | 0.060 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B1CDF2
#B1CDF2
oklch(84% 0.06 255.5)
- #E2C69F
#E2C69F
oklch(84.1% 0.061 75.9)
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 #B1CDF2, 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
- Baby Blue #A2CFFE ΔE 0.022
- Light Steel Blue #B0C4DE ΔE 0.032
- Light Periwinkle #C1C6FC ΔE 0.033
- Light Blue #ADD8E6 ΔE 0.039
- Cloudy Blue #ACC2D9 ΔE 0.041
- Light Sky Blue #87CEFA ΔE 0.046
- Sky Blue #87CEEB ΔE 0.049
Use #B1CDF2 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.