#B5DFEF
Closest named color: Powder Blue (#B0E0E6). oklch(87.9% 0.049 223), rgb(181, 223, 239).
Aa
Black text reads best on this color (14.76:1).
About this color
#B5DFEF is a light, muted teal or cyan. In OKLCH its lightness is 88%, its chroma 0.049 and its hue 223°. Its hue sits on the cool side of the wheel. The nearest named color is Powder Blue (#B0E0E6), ΔE 0.015 away. Black text reads best on it, at 14.76:1.
| Hue family | Teals and cyans |
| Lightness | light (88%) |
| Chroma | muted (0.049) |
| Temperature | cool |
| Nearest name | Powder Blue (#B0E0E6) |
| Black text | 14.76:1 |
| White text | 1.42:1 |
Values
| HEX | #B5DFEF |
| RGB | rgb(181, 223, 239) |
| HSL | hsl(197, 64%, 82%) |
| OKLCH | oklch(87.9% 0.049 223) |
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 #B5DFEF | 1.42:1 | Fails | Lc -23.1 | Dividers and decoration only |
| Black text on #B5DFEF | 14.76:1 | AAA | Lc 83.4 | Fine for body text |
| #B5DFEF text on white | 1.42:1 | Fails | Lc 20.3 | Dividers and decoration only |
| #B5DFEF text on black | 14.76:1 | AAA | Lc -83.1 | 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
#DEEDF3
oklch(93.7% 0.018 223.6)
-
Step 200
200 (this color)
#B5DFEF
oklch(87.9% 0.049 223)
-
Step 300
300
#94CADF
oklch(80.9% 0.063 224)
-
Step 400
400
#4EAECE
oklch(70.6% 0.101 223)
-
Step 500
500
#0098BD
oklch(63.1% 0.118 223.1)
-
Step 600
600
#00809F
oklch(55.6% 0.103 222.6)
-
Step 700
700
#006B86
oklch(49% 0.091 223.1)
-
Step 800
800
#00586F
oklch(42.7% 0.08 223.4)
-
Step 900
900
#00495D
oklch(37.7% 0.071 223.8)
-
Step 950
950
#002B38
oklch(26.8% 0.05 223.6)
#B5DFEF 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) | #D6DCF0 | 0.041 |
| Deuteranopia (no green cones) | #CDD5EF | 0.038 |
| Tritanopia (no blue cones) | #A4E4E4 | 0.031 |
| Achromatopsia (no color) | #D8D8D8 | 0.049 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B5DFEF
#B5DFEF
oklch(87.9% 0.049 223)
- #F4CDBE
#F4CDBE
oklch(87.8% 0.049 42.1)
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 #B5DFEF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Powder Blue #B0E0E6 ΔE 0.015
- Light Blue #ADD8E6 ΔE 0.023
- Celeste #A8DADC ΔE 0.032
- Pale Turquoise #AFEEEE ΔE 0.041
- Cadet Gray #CED4DA ΔE 0.041
- Robin's Egg Blue #98EFF9 ΔE 0.046
- Diamond #B9F2FF ΔE 0.050
- Light Gray #D3D3D3 ΔE 0.050
Use #B5DFEF 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.