#B3D9DE
Closest named color: Celeste (#A8DADC). oklch(86% 0.041 206.2), rgb(179, 217, 222).
Aa
Black text reads best on this color (13.89:1).
About this color
#B3D9DE is a light, muted teal or cyan. In OKLCH its lightness is 86%, its chroma 0.041 and its hue 206°. Its hue sits on the cool side of the wheel. The nearest named color is Celeste (#A8DADC), ΔE 0.014 away. Black text reads best on it, at 13.89:1.
| Hue family | Teals and cyans |
| Lightness | light (86%) |
| Chroma | muted (0.041) |
| Temperature | cool |
| Nearest name | Celeste (#A8DADC) |
| Black text | 13.89:1 |
| White text | 1.51:1 |
Values
| HEX | #B3D9DE |
| RGB | rgb(179, 217, 222) |
| HSL | hsl(187, 39%, 79%) |
| OKLCH | oklch(86% 0.041 206.2) |
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 #B3D9DE | 1.51:1 | Fails | Lc -27.0 | Dividers and decoration only |
| Black text on #B3D9DE | 13.89:1 | AAA | Lc 79.9 | Fine for body text |
| #B3D9DE text on white | 1.51:1 | Fails | Lc 23.8 | Dividers and decoration only |
| #B3D9DE text on black | 13.89:1 | AAA | Lc -79.3 | 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
#F0F7F8
oklch(97.1% 0.008 207.1)
-
Step 100
100
#DFEDEF
oklch(93.6% 0.015 207.1)
-
Step 200
200 (this color)
#B3D9DE
oklch(86% 0.041 206.2)
-
Step 300
300
#9ACBD1
oklch(81% 0.052 205.5)
-
Step 400
400
#5BB0BA
oklch(70.8% 0.083 205.5)
-
Step 500
500
#0B9BA9
oklch(63% 0.106 206.3)
-
Step 600
600
#00838F
oklch(55.7% 0.095 206.1)
-
Step 700
700
#006E78
oklch(49.1% 0.084 205.8)
-
Step 800
800
#005A63
oklch(42.7% 0.073 206.6)
-
Step 900
900
#004B52
oklch(37.7% 0.064 205.5)
-
Step 950
950
#032C31
oklch(26.9% 0.044 207.2)
#B3D9DE 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) | #D3D6DE | 0.040 |
| Deuteranopia (no green cones) | #CBD0DE | 0.037 |
| Tritanopia (no blue cones) | #A6DCDA | 0.019 |
| Achromatopsia (no color) | #D2D2D2 | 0.041 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B3D9DE
#B3D9DE
oklch(86% 0.041 206.2)
- #EBC7C3
#EBC7C3
oklch(85.9% 0.041 25.5)
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 #B3D9DE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Celeste #A8DADC ΔE 0.014
- Light Blue #ADD8E6 ΔE 0.014
- Powder Blue #B0E0E6 ΔE 0.018
- Cadet Gray #CED4DA ΔE 0.034
- Light Gray #D3D3D3 ΔE 0.041
- Light Blue Grey #B7C9E2 ΔE 0.045
- Pale Turquoise #AFEEEE ΔE 0.053
- Gainsboro #DCDCDC ΔE 0.053
Use #B3D9DE 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.