#B3CFEE
Closest named color: Light Blue Grey (#B7C9E2). oklch(84.4% 0.053 251.1), rgb(179, 207, 238).
Aa
Black text reads best on this color (13.07:1).
About this color
#B3CFEE is a light, muted blue. In OKLCH its lightness is 84%, its chroma 0.053 and its hue 251°. Its hue sits on the cool side of the wheel. The nearest named color is Light Blue Grey (#B7C9E2), ΔE 0.019 away. Black text reads best on it, at 13.07:1.
| Hue family | Blues |
| Lightness | light (84%) |
| Chroma | muted (0.053) |
| Temperature | cool |
| Nearest name | Light Blue Grey (#B7C9E2) |
| Black text | 13.07:1 |
| White text | 1.60:1 |
Values
| HEX | #B3CFEE |
| RGB | rgb(179, 207, 238) |
| HSL | hsl(212, 63%, 82%) |
| OKLCH | oklch(84.4% 0.053 251.1) |
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 #B3CFEE | 1.60:1 | Fails | Lc -30.8 | Non-text elements, placeholder text |
| Black text on #B3CFEE | 13.07:1 | AAA | Lc 76.5 | Fine for body text |
| #B3CFEE text on white | 1.60:1 | Fails | Lc 27.3 | Dividers and decoration only |
| #B3CFEE text on black | 13.07:1 | AAA | Lc -75.7 | 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 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
#CBDBEC
oklch(88.5% 0.029 249.8)
-
Step 300
300 (this color)
#B3CFEE
oklch(84.4% 0.053 251.1)
-
Step 400
400
#79A5D4
oklch(70.8% 0.084 250.7)
-
Step 500
500
#558DC9
oklch(63.1% 0.109 251.4)
-
Step 600
600
#3876B5
oklch(55.5% 0.117 251.1)
-
Step 700
700
#2A639C
oklch(49% 0.109 251.1)
-
Step 800
800
#24517F
oklch(42.7% 0.091 251.2)
-
Step 900
900
#234466
oklch(37.9% 0.07 250.8)
-
Step 950
950
#15283C
oklch(27.1% 0.045 250.9)
#B3CFEE 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) | #C4CFF0 | 0.022 |
| Deuteranopia (no green cones) | #BDC9ED | 0.019 |
| Tritanopia (no blue cones) | #A3D6D9 | 0.045 |
| Achromatopsia (no color) | #CCCCCC | 0.053 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B3CFEE
#B3CFEE
oklch(84.4% 0.053 251.1)
- #E2C7A7
#E2C7A7
oklch(84.4% 0.053 71.7)
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 #B3CFEE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Blue Grey #B7C9E2 ΔE 0.019
- Baby Blue #A2CFFE ΔE 0.029
- Light Blue #ADD8E6 ΔE 0.030
- Light Steel Blue #B0C4DE ΔE 0.032
- Light Periwinkle #C1C6FC ΔE 0.039
- Cloudy Blue #ACC2D9 ΔE 0.041
- Celeste #A8DADC ΔE 0.047
- Cadet Gray #CED4DA ΔE 0.048
Use #B3CFEE 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.