#B4E5F9
Closest named color: Powder Blue (#B0E0E6). oklch(89.4% 0.057 224.8), rgb(180, 229, 249).
Aa
Black text reads best on this color (15.51:1).
About this color
#B4E5F9 is a light, muted teal or cyan. In OKLCH its lightness is 89%, its chroma 0.057 and its hue 225°. Its hue sits on the cool side of the wheel. The nearest named color is Powder Blue (#B0E0E6), ΔE 0.027 away. Black text reads best on it, at 15.51:1.
| Hue family | Teals and cyans |
| Lightness | light (89%) |
| Chroma | muted (0.057) |
| Temperature | cool |
| Nearest name | Powder Blue (#B0E0E6) |
| Black text | 15.51:1 |
| White text | 1.35:1 |
Values
| HEX | #B4E5F9 |
| RGB | rgb(180, 229, 249) |
| HSL | hsl(197, 85%, 84%) |
| OKLCH | oklch(89.4% 0.057 224.8) |
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 #B4E5F9 | 1.35:1 | Fails | Lc -19.8 | Dividers and decoration only |
| Black text on #B4E5F9 | 15.51:1 | AAA | Lc 86.4 | Fine for body text |
| #B4E5F9 text on white | 1.35:1 | Fails | Lc 17.3 | Dividers and decoration only |
| #B4E5F9 text on black | 15.51:1 | AAA | Lc -86.3 | 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
#EFF7FA
oklch(97.1% 0.009 222.1)
-
Step 100
100
#DCEDF5
oklch(93.6% 0.021 227.5)
-
Step 200
200 (this color)
#B4E5F9
oklch(89.4% 0.057 224.8)
-
Step 300
300
#8CCBE5
oklch(80.9% 0.074 225.7)
-
Step 400
400
#37B0D8
oklch(70.8% 0.118 224.7)
-
Step 500
500
#0098BF
oklch(63.2% 0.119 224.4)
-
Step 600
600
#007FA1
oklch(55.5% 0.105 225)
-
Step 700
700
#006B88
oklch(49.1% 0.093 224.9)
-
Step 800
800
#005870
oklch(42.8% 0.081 224.4)
-
Step 900
900
#00495E
oklch(37.7% 0.071 225)
-
Step 950
950
#002B39
oklch(26.9% 0.051 225.5)
#B4E5F9 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) | #DAE2FA | 0.046 |
| Deuteranopia (no green cones) | #CFDAF9 | 0.041 |
| Tritanopia (no blue cones) | #9EEBEB | 0.038 |
| Achromatopsia (no color) | #DDDDDD | 0.058 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B4E5F9
#B4E5F9
oklch(89.4% 0.057 224.8)
- #FED1BD
#FED1BD
oklch(89.4% 0.058 45.3)
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 #B4E5F9, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Powder Blue #B0E0E6 ΔE 0.027
- Pale Turquoise #AFEEEE ΔE 0.033
- Diamond #B9F2FF ΔE 0.034
- Robin's Egg Blue #98EFF9 ΔE 0.037
- Light Blue #ADD8E6 ΔE 0.039
- Pale Sky Blue #BDF6FE ΔE 0.046
- Celeste #A8DADC ΔE 0.047
- Robin Egg Blue #8AF1FE ΔE 0.047
Use #B4E5F9 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.