#B4DEF2
Closest named color: Powder Blue (#B0E0E6). oklch(87.7% 0.052 228.5), rgb(180, 222, 242).
Aa
Black text reads best on this color (14.67:1).
About this color
#B4DEF2 is a light, muted teal or cyan. In OKLCH its lightness is 88%, its chroma 0.052 and its hue 228°. Its hue sits on the cool side of the wheel. The nearest named color is Powder Blue (#B0E0E6), ΔE 0.020 away. Black text reads best on it, at 14.67:1.
| Hue family | Teals and cyans |
| Lightness | light (88%) |
| Chroma | muted (0.052) |
| Temperature | cool |
| Nearest name | Powder Blue (#B0E0E6) |
| Black text | 14.67:1 |
| White text | 1.43:1 |
Values
| HEX | #B4DEF2 |
| RGB | rgb(180, 222, 242) |
| HSL | hsl(199, 70%, 83%) |
| OKLCH | oklch(87.7% 0.052 228.5) |
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 #B4DEF2 | 1.43:1 | Fails | Lc -23.5 | Dividers and decoration only |
| Black text on #B4DEF2 | 14.67:1 | AAA | Lc 83.0 | Fine for body text |
| #B4DEF2 text on white | 1.43:1 | Fails | Lc 20.7 | Dividers and decoration only |
| #B4DEF2 text on black | 14.67:1 | AAA | Lc -82.7 | 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 200.
-
Step 50
50
#F0F7FA
oklch(97.2% 0.008 225.1)
-
Step 100
100
#DDEDF4
oklch(93.6% 0.019 225.7)
-
Step 200
200 (this color)
#B4DEF2
oklch(87.7% 0.052 228.5)
-
Step 300
300
#93CAE3
oklch(81% 0.067 227.8)
-
Step 400
400
#4DADD5
oklch(70.6% 0.107 228.5)
-
Step 500
500
#0097C4
oklch(63.2% 0.123 228.1)
-
Step 600
600
#007FA5
oklch(55.7% 0.108 227.8)
-
Step 700
700
#006A8C
oklch(49% 0.097 229.1)
-
Step 800
800
#005773
oklch(42.7% 0.084 228.5)
-
Step 900
900
#004860
oklch(37.5% 0.074 228.7)
-
Step 950
950
#002B3B
oklch(27% 0.053 228.8)
#B4DEF2 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) | #D4DCF3 | 0.040 |
| Deuteranopia (no green cones) | #CAD4F2 | 0.036 |
| Tritanopia (no blue cones) | #A1E4E4 | 0.036 |
| Achromatopsia (no color) | #D8D8D8 | 0.052 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B4DEF2
#B4DEF2
oklch(87.7% 0.052 228.5)
- #F4CDB9
#F4CDB9
oklch(87.6% 0.052 48.7)
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 #B4DEF2, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Powder Blue #B0E0E6 ΔE 0.020
- Light Blue #ADD8E6 ΔE 0.023
- Celeste #A8DADC ΔE 0.035
- Cadet Gray #CED4DA ΔE 0.043
- Pale Turquoise #AFEEEE ΔE 0.045
- Robin's Egg Blue #98EFF9 ΔE 0.049
- Diamond #B9F2FF ΔE 0.052
- Light Gray #D3D3D3 ΔE 0.053
Use #B4DEF2 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.