#B4EAFB
Closest named color: Diamond (#B9F2FF). oklch(90.5% 0.06 219.1), rgb(180, 234, 251).
Aa
Black text reads best on this color (16.10:1).
About this color
#B4EAFB is a very light, muted teal or cyan. In OKLCH its lightness is 91%, its chroma 0.060 and its hue 219°. Its hue sits on the cool side of the wheel. The nearest named color is Diamond (#B9F2FF), ΔE 0.022 away. Black text reads best on it, at 16.10:1.
| Hue family | Teals and cyans |
| Lightness | very light (91%) |
| Chroma | muted (0.060) |
| Temperature | cool |
| Nearest name | Diamond (#B9F2FF) |
| Black text | 16.10:1 |
| White text | 1.30:1 |
Values
| HEX | #B4EAFB |
| RGB | rgb(180, 234, 251) |
| HSL | hsl(194, 90%, 85%) |
| OKLCH | oklch(90.5% 0.06 219.1) |
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 #B4EAFB | 1.30:1 | Fails | Lc -17.3 | Dividers and decoration only |
| Black text on #B4EAFB | 16.10:1 | AAA | Lc 88.6 | Fine for body text |
| #B4EAFB text on white | 1.30:1 | Fails | Lc 15.0 | Dividers and decoration only |
| #B4EAFB text on black | 16.10:1 | AAA | Lc -88.8 | 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
#EEF7FA
oklch(97% 0.01 219.6)
-
Step 100
100
#DAEEF4
oklch(93.6% 0.023 217.6)
-
Step 200
200 (this color)
#B4EAFB
oklch(90.5% 0.06 219.1)
-
Step 300
300
#86CDE2
oklch(80.9% 0.077 218.5)
-
Step 400
400
#1EB2D4
oklch(70.7% 0.123 218.9)
-
Step 500
500
#0099B8
oklch(63.1% 0.114 219)
-
Step 600
600
#00819B
oklch(55.7% 0.1 218.5)
-
Step 700
700
#006C83
oklch(49.1% 0.089 219.3)
-
Step 800
800
#00586C
oklch(42.6% 0.078 220.2)
-
Step 900
900
#004A5A
oklch(37.8% 0.068 218.5)
-
Step 950
950
#002C37
oklch(27.1% 0.049 219.4)
#B4EAFB 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) | #DFE6FC | 0.052 |
| Deuteranopia (no green cones) | #D4DEFB | 0.047 |
| Tritanopia (no blue cones) | #9DF0EF | 0.036 |
| Achromatopsia (no color) | #E1E1E1 | 0.060 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B4EAFB
#B4EAFB
oklch(90.5% 0.06 219.1)
- #FFD5C7
#FFD5C7
oklch(90.5% 0.051 39.3)
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 #B4EAFB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Diamond #B9F2FF ΔE 0.022
- Pale Turquoise #AFEEEE ΔE 0.025
- Robin's Egg Blue #98EFF9 ΔE 0.031
- Pale Sky Blue #BDF6FE ΔE 0.034
- Powder Blue #B0E0E6 ΔE 0.034
- Robin Egg Blue #8AF1FE ΔE 0.042
- Light Blue #ADD8E6 ΔE 0.050
- Duck Egg Blue #C3FBF4 ΔE 0.054
Use #B4EAFB 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.