#B1C2D8
Closest named color: Cloudy Blue (#ACC2D9). oklch(80.8% 0.036 254.9), rgb(177, 194, 216).
Aa
Black text reads best on this color (11.57:1).
About this color
#B1C2D8 is a light, muted blue. In OKLCH its lightness is 81%, its chroma 0.036 and its hue 255°. Its hue sits on the cool side of the wheel. The nearest named color is Cloudy Blue (#ACC2D9), ΔE 0.006 away. Black text reads best on it, at 11.57:1.
| Hue family | Blues |
| Lightness | light (81%) |
| Chroma | muted (0.036) |
| Temperature | cool |
| Nearest name | Cloudy Blue (#ACC2D9) |
| Black text | 11.57:1 |
| White text | 1.81:1 |
Values
| HEX | #B1C2D8 |
| RGB | rgb(177, 194, 216) |
| HSL | hsl(214, 33%, 77%) |
| OKLCH | oklch(80.8% 0.036 254.9) |
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 #B1C2D8 | 1.81:1 | Fails | Lc -37.9 | Non-text elements, placeholder text |
| Black text on #B1C2D8 | 11.57:1 | AAA | Lc 70.1 | Content text, not long reading |
| #B1C2D8 text on white | 1.81:1 | Fails | Lc 33.8 | Non-text elements, placeholder text |
| #B1C2D8 text on black | 11.57:1 | AAA | Lc -68.8 | 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
#F3F6F9
oklch(97.2% 0.005 247.9)
-
Step 100
100
#E5EAF1
oklch(93.5% 0.011 256.7)
-
Step 200
200
#D0DAE7
oklch(88.5% 0.021 254.9)
-
Step 300
300 (this color)
#B1C2D8
oklch(80.8% 0.036 254.9)
-
Step 400
400
#88A3C5
oklch(70.7% 0.058 254.4)
-
Step 500
500
#6B8CB6
oklch(63.2% 0.074 254.8)
-
Step 600
600
#5275A2
oklch(55.5% 0.081 255.1)
-
Step 700
700
#43628B
oklch(49% 0.076 255.7)
-
Step 800
800
#375071
oklch(42.6% 0.063 255.7)
-
Step 900
900
#30435B
oklch(37.8% 0.048 254.6)
-
Step 950
950
#1C2735
oklch(26.9% 0.03 254.7)
#B1C2D8 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) | #BBC3D9 | 0.014 |
| Deuteranopia (no green cones) | #B6BFD8 | 0.010 |
| Tritanopia (no blue cones) | #A7C7C9 | 0.032 |
| Achromatopsia (no color) | #C0C0C0 | 0.036 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B1C2D8
#B1C2D8
oklch(80.8% 0.036 254.9)
- #CFBDA7
#CFBDA7
oklch(80.8% 0.036 72.8)
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 #B1C2D8, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cloudy Blue #ACC2D9 ΔE 0.006
- Light Steel Blue #B0C4DE ΔE 0.009
- Light Blue Grey #B7C9E2 ΔE 0.023
- Light Cornflower Blue #98C1D9 ΔE 0.031
- Light Grey Blue #9DBCD4 ΔE 0.032
- Silver #C0C0C0 ΔE 0.036
- French Gray #ADB5BD ΔE 0.045
- Thistle #D8BFD8 ΔE 0.053
Use #B1C2D8 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.