#B3F4F9
Closest named color: Diamond (#B9F2FF). oklch(92.5% 0.065 202.1), rgb(179, 244, 249).
Aa
Black text reads best on this color (17.22:1).
About this color
#B3F4F9 is a very light, muted teal or cyan. In OKLCH its lightness is 93%, its chroma 0.065 and its hue 202°. Its hue sits on the cool side of the wheel. The nearest named color is Diamond (#B9F2FF), ΔE 0.013 away. Black text reads best on it, at 17.22:1.
| Hue family | Teals and cyans |
| Lightness | very light (93%) |
| Chroma | muted (0.065) |
| Temperature | cool |
| Nearest name | Diamond (#B9F2FF) |
| Black text | 17.22:1 |
| White text | 1.21:1 |
Values
| HEX | #B3F4F9 |
| RGB | rgb(179, 244, 249) |
| HSL | hsl(184, 85%, 84%) |
| OKLCH | oklch(92.5% 0.065 202.1) |
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 #B3F4F9 | 1.21:1 | Fails | Lc -12.5 | Not readable |
| Black text on #B3F4F9 | 17.22:1 | AAA | Lc 92.8 | Preferred for body text |
| #B3F4F9 text on white | 1.21:1 | Fails | Lc 10.7 | Not readable |
| #B3F4F9 text on black | 17.22:1 | AAA | Lc -93.3 | Preferred 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 100.
-
Step 50
50
#EDF8F9
oklch(97.1% 0.012 203.5)
-
Step 100
100 (this color)
#B3F4F9
oklch(92.5% 0.065 202.1)
-
Step 200
200
#B6E3E6
oklch(88.5% 0.047 201.4)
-
Step 300
300
#7BD1D8
oklch(80.9% 0.084 202.4)
-
Step 400
400
#00B6C1
oklch(70.7% 0.12 202.5)
-
Step 500
500
#009CA5
oklch(63.1% 0.107 202)
-
Step 600
600
#00838B
oklch(55.5% 0.095 202.3)
-
Step 700
700
#006E75
oklch(49% 0.083 202.5)
-
Step 800
800
#005A60
oklch(42.6% 0.073 202.7)
-
Step 900
900
#004B50
oklch(37.6% 0.064 202.5)
-
Step 950
950
#002D30
oklch(27% 0.046 201.8)
#B3F4F9 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) | #EBEEF9 | 0.067 |
| Deuteranopia (no green cones) | #DEE4F9 | 0.062 |
| Tritanopia (no blue cones) | #9BF9F5 | 0.028 |
| Achromatopsia (no color) | #E9E9E9 | 0.066 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B3F4F9
#B3F4F9
oklch(92.5% 0.065 202.1)
- #FFDDDB
#FFDDDB
oklch(92.5% 0.038 21.9)
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 #B3F4F9, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Diamond #B9F2FF ΔE 0.013
- Pale Sky Blue #BDF6FE ΔE 0.014
- Pale Turquoise #AFEEEE ΔE 0.020
- Duck Egg Blue #C3FBF4 ΔE 0.029
- Pale Cyan #B7FFFA ΔE 0.030
- Robin's Egg Blue #98EFF9 ΔE 0.032
- Eggshell Blue #C4FFF7 ΔE 0.037
- Light Light Blue #CAFFFB ΔE 0.041
Use #B3F4F9 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.