#B4CDEB
Closest named color: Light Blue Grey (#B7C9E2). oklch(84% 0.05 253.1), rgb(180, 205, 235).
Aa
Black text reads best on this color (12.87:1).
About this color
#B4CDEB is a light, muted blue. In OKLCH its lightness is 84%, its chroma 0.050 and its hue 253°. Its hue sits on the cool side of the wheel. The nearest named color is Light Blue Grey (#B7C9E2), ΔE 0.014 away. Black text reads best on it, at 12.87:1.
| Hue family | Blues |
| Lightness | light (84%) |
| Chroma | muted (0.050) |
| Temperature | cool |
| Nearest name | Light Blue Grey (#B7C9E2) |
| Black text | 12.87:1 |
| White text | 1.63:1 |
Values
| HEX | #B4CDEB |
| RGB | rgb(180, 205, 235) |
| HSL | hsl(213, 58%, 81%) |
| OKLCH | oklch(84% 0.05 253.1) |
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 #B4CDEB | 1.63:1 | Fails | Lc -31.7 | Non-text elements, placeholder text |
| Black text on #B4CDEB | 12.87:1 | AAA | Lc 75.7 | Fine for body text |
| #B4CDEB text on white | 1.63:1 | Fails | Lc 28.1 | Dividers and decoration only |
| #B4CDEB text on black | 12.87:1 | 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
#F2F6FA
oklch(97.1% 0.007 247.9)
-
Step 100
100
#E3EBF4
oklch(93.7% 0.015 251.2)
-
Step 200
200
#CDDBEC
oklch(88.6% 0.028 253.2)
-
Step 300
300 (this color)
#B4CDEB
oklch(84% 0.05 253.1)
-
Step 400
400
#7DA4D2
oklch(70.8% 0.08 253)
-
Step 500
500
#5B8CC6
oklch(63% 0.103 253.5)
-
Step 600
600
#4076B3
oklch(55.7% 0.112 252.9)
-
Step 700
700
#32639A
oklch(49.2% 0.103 253)
-
Step 800
800
#2A517D
oklch(42.8% 0.086 252.9)
-
Step 900
900
#274364
oklch(37.7% 0.066 253.5)
-
Step 950
950
#17273B
oklch(26.9% 0.043 254.6)
#B4CDEB 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) | #C2CEEC | 0.018 |
| Deuteranopia (no green cones) | #BCC8EA | 0.015 |
| Tritanopia (no blue cones) | #A5D4D7 | 0.043 |
| Achromatopsia (no color) | #CACACA | 0.050 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B4CDEB
#B4CDEB
oklch(84% 0.05 253.1)
- #DFC6A7
#DFC6A7
oklch(84% 0.05 73)
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 #B4CDEB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Blue Grey #B7C9E2 ΔE 0.014
- Light Steel Blue #B0C4DE ΔE 0.027
- Baby Blue #A2CFFE ΔE 0.032
- Light Blue #ADD8E6 ΔE 0.033
- Cloudy Blue #ACC2D9 ΔE 0.036
- Light Periwinkle #C1C6FC ΔE 0.039
- Cadet Gray #CED4DA ΔE 0.048
- Celeste #A8DADC ΔE 0.048
Use #B4CDEB 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.