#B4C3CF
Closest named color: Cloudy Blue (#ACC2D9). oklch(80.9% 0.024 242), rgb(180, 195, 207).
Aa
Black text reads best on this color (11.64:1).
About this color
#B4C3CF is a light close to neutral grey. In OKLCH its lightness is 81%, its chroma 0.024. It has too little chroma to lean warm or cool. The nearest named color is Cloudy Blue (#ACC2D9), ΔE 0.018 away. Black text reads best on it, at 11.64:1.
| Hue family | Neutrals |
| Lightness | light (81%) |
| Chroma | close to neutral grey (0.024) |
| Temperature | neutral |
| Nearest name | Cloudy Blue (#ACC2D9) |
| Black text | 11.64:1 |
| White text | 1.80:1 |
Values
| HEX | #B4C3CF |
| RGB | rgb(180, 195, 207) |
| HSL | hsl(207, 22%, 76%) |
| OKLCH | oklch(80.9% 0.024 242) |
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 #B4C3CF | 1.80:1 | Fails | Lc -37.6 | Non-text elements, placeholder text |
| Black text on #B4C3CF | 11.64:1 | AAA | Lc 70.4 | Content text, not long reading |
| #B4C3CF text on white | 1.80:1 | Fails | Lc 33.5 | Non-text elements, placeholder text |
| #B4C3CF text on black | 11.64:1 | AAA | Lc -69.1 | 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
#F4F6F7
oklch(97.2% 0.003 228.8)
-
Step 100
100
#E6EAEE
oklch(93.5% 0.007 247.9)
-
Step 200
200
#D2DAE1
oklch(88.4% 0.013 244.3)
-
Step 300
300 (this color)
#B4C3CF
oklch(80.9% 0.024 242)
-
Step 400
400
#8DA4B7
oklch(70.7% 0.038 243.2)
-
Step 500
500
#708EA5
oklch(63.2% 0.049 241.5)
-
Step 600
600
#587790
oklch(55.5% 0.053 243.2)
-
Step 700
700
#48647A
oklch(49% 0.048 242.6)
-
Step 800
800
#3B5263
oklch(42.7% 0.04 240.9)
-
Step 900
900
#334451
oklch(37.7% 0.031 241.6)
-
Step 950
950
#1E282F
oklch(27% 0.019 238.9)
#B4C3CF 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) | #BEC3D0 | 0.013 |
| Deuteranopia (no green cones) | #BBC0CF | 0.012 |
| Tritanopia (no blue cones) | #ADC6C7 | 0.019 |
| Achromatopsia (no color) | #C1C1C1 | 0.024 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B4C3CF
#B4C3CF
oklch(80.9% 0.024 242)
- #CCBEB2
#CCBEB2
oklch(81% 0.023 63.1)
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 #B4C3CF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cloudy Blue #ACC2D9 ΔE 0.018
- Light Steel Blue #B0C4DE ΔE 0.021
- Silver #C0C0C0 ΔE 0.024
- Light Blue Grey #B7C9E2 ΔE 0.028
- Light Cornflower Blue #98C1D9 ΔE 0.038
- Light Grey Blue #9DBCD4 ΔE 0.038
- French Gray #ADB5BD ΔE 0.041
- Thistle #D8BFD8 ΔE 0.053
Use #B4C3CF 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.