#B3D5DF
Closest named color: Light Blue (#ADD8E6). oklch(85.1% 0.039 217.5), rgb(179, 213, 223).
Aa
Black text reads best on this color (13.49:1).
About this color
#B3D5DF is a light, muted teal or cyan. In OKLCH its lightness is 85%, its chroma 0.039 and its hue 217°. Its hue sits on the cool side of the wheel. The nearest named color is Light Blue (#ADD8E6), ΔE 0.011 away. Black text reads best on it, at 13.49:1.
| Hue family | Teals and cyans |
| Lightness | light (85%) |
| Chroma | muted (0.039) |
| Temperature | cool |
| Nearest name | Light Blue (#ADD8E6) |
| Black text | 13.49:1 |
| White text | 1.55:1 |
Values
| HEX | #B3D5DF |
| RGB | rgb(179, 213, 223) |
| HSL | hsl(194, 41%, 79%) |
| OKLCH | oklch(85.1% 0.039 217.5) |
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 #B3D5DF | 1.55:1 | Fails | Lc -28.8 | Dividers and decoration only |
| Black text on #B3D5DF | 13.49:1 | AAA | Lc 78.3 | Fine for body text |
| #B3D5DF text on white | 1.55:1 | Fails | Lc 25.5 | Dividers and decoration only |
| #B3D5DF text on black | 13.49:1 | AAA | Lc -77.6 | 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
#F1F7F8
oklch(97.2% 0.007 208.8)
-
Step 100
100
#E0ECF0
oklch(93.5% 0.014 219.6)
-
Step 200
200 (this color)
#B3D5DF
oklch(85.1% 0.039 217.5)
-
Step 300
300
#9DC9D6
oklch(80.9% 0.05 217.8)
-
Step 400
400
#63ADC1
oklch(70.7% 0.079 217.2)
-
Step 500
500
#2A98B2
oklch(63.1% 0.102 217.6)
-
Step 600
600
#008199
oklch(55.6% 0.099 216.9)
-
Step 700
700
#006C81
oklch(49% 0.088 217.4)
-
Step 800
800
#00596A
oklch(42.8% 0.076 216.6)
-
Step 900
900
#034A59
oklch(37.8% 0.066 217.6)
-
Step 950
950
#082B34
oklch(26.9% 0.042 218.6)
#B3D5DF 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) | #CED3E0 | 0.034 |
| Deuteranopia (no green cones) | #C7CDDF | 0.031 |
| Tritanopia (no blue cones) | #A6D9D8 | 0.023 |
| Achromatopsia (no color) | #CFCFCF | 0.039 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B3D5DF
#B3D5DF
oklch(85.1% 0.039 217.5)
- #E6C6BD
#E6C6BD
oklch(85.1% 0.039 36.2)
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 #B3D5DF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Blue #ADD8E6 ΔE 0.011
- Celeste #A8DADC ΔE 0.019
- Powder Blue #B0E0E6 ΔE 0.028
- Cadet Gray #CED4DA ΔE 0.034
- Light Blue Grey #B7C9E2 ΔE 0.034
- Light Gray #D3D3D3 ΔE 0.042
- Light Steel Blue #B0C4DE ΔE 0.046
- Cloudy Blue #ACC2D9 ΔE 0.051
Use #B3D5DF 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.