#B4DADE
Closest named color: Celeste (#A8DADC). oklch(86.2% 0.04 204.3), rgb(180, 218, 222).
Aa
Black text reads best on this color (14.02:1).
About this color
#B4DADE is a light, muted teal or cyan. In OKLCH its lightness is 86%, its chroma 0.040 and its hue 204°. Its hue sits on the cool side of the wheel. The nearest named color is Celeste (#A8DADC), ΔE 0.015 away. Black text reads best on it, at 14.02:1.
| Hue family | Teals and cyans |
| Lightness | light (86%) |
| Chroma | muted (0.040) |
| Temperature | cool |
| Nearest name | Celeste (#A8DADC) |
| Black text | 14.02:1 |
| White text | 1.49:1 |
Values
| HEX | #B4DADE |
| RGB | rgb(180, 218, 222) |
| HSL | hsl(186, 39%, 79%) |
| OKLCH | oklch(86.2% 0.04 204.3) |
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 #B4DADE | 1.49:1 | Fails | Lc -26.5 | Dividers and decoration only |
| Black text on #B4DADE | 14.02:1 | AAA | Lc 80.4 | Fine for body text |
| #B4DADE text on white | 1.49:1 | Fails | Lc 23.3 | Dividers and decoration only |
| #B4DADE text on black | 14.02:1 | AAA | Lc -79.9 | 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
#F0F7F7
oklch(97.1% 0.007 197)
-
Step 100
100
#DFEDEE
oklch(93.6% 0.015 202)
-
Step 200
200 (this color)
#B4DADE
oklch(86.2% 0.04 204.3)
-
Step 300
300
#9ACBD0
oklch(80.9% 0.052 204)
-
Step 400
400
#5BB0B9
oklch(70.8% 0.083 204.5)
-
Step 500
500
#0C9BA7
oklch(63% 0.106 204.7)
-
Step 600
600
#00838D
oklch(55.6% 0.095 204.2)
-
Step 700
700
#006E77
oklch(49.1% 0.084 204.7)
-
Step 800
800
#005A61
oklch(42.6% 0.073 204)
-
Step 900
900
#004B51
oklch(37.6% 0.064 204)
-
Step 950
950
#032C30
oklch(26.8% 0.043 204.8)
#B4DADE 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) | #D4D7DE | 0.040 |
| Deuteranopia (no green cones) | #CCD0DE | 0.038 |
| Tritanopia (no blue cones) | #A7DDDB | 0.018 |
| Achromatopsia (no color) | #D3D3D3 | 0.041 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B4DADE
#B4DADE
oklch(86.2% 0.04 204.3)
- #EBC8C5
#EBC8C5
oklch(86.2% 0.04 23.7)
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 #B4DADE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Celeste #A8DADC ΔE 0.015
- Light Blue #ADD8E6 ΔE 0.016
- Powder Blue #B0E0E6 ΔE 0.016
- Cadet Gray #CED4DA ΔE 0.034
- Light Gray #D3D3D3 ΔE 0.041
- Light Blue Grey #B7C9E2 ΔE 0.048
- Pale Turquoise #AFEEEE ΔE 0.051
- Gainsboro #DCDCDC ΔE 0.052
Use #B4DADE 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.