#B9ECFF
Closest named color: Diamond (#B9F2FF). oklch(91.4% 0.058 222.7), rgb(185, 236, 255).
Aa
Black text reads best on this color (16.50:1).
About this color
#B9ECFF is a very light, muted teal or cyan. In OKLCH its lightness is 91%, its chroma 0.058 and its hue 223°. Its hue sits on the cool side of the wheel. The nearest named color is Diamond (#B9F2FF), ΔE 0.016 away. Black text reads best on it, at 16.50:1.
| Hue family | Teals and cyans |
| Lightness | very light (91%) |
| Chroma | muted (0.058) |
| Temperature | cool |
| Nearest name | Diamond (#B9F2FF) |
| Black text | 16.50:1 |
| White text | 1.27:1 |
Values
| HEX | #B9ECFF |
| RGB | rgb(185, 236, 255) |
| HSL | hsl(196, 100%, 86%) |
| OKLCH | oklch(91.4% 0.058 222.7) |
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 #B9ECFF | 1.27:1 | Fails | Lc -15.6 | Dividers and decoration only |
| Black text on #B9ECFF | 16.50:1 | AAA | Lc 90.1 | Preferred for body text |
| #B9ECFF text on white | 1.27:1 | Fails | Lc 13.5 | Not readable |
| #B9ECFF text on black | 16.50:1 | AAA | Lc -90.4 | 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
#EFF7FA
oklch(97.1% 0.009 222.1)
-
Step 100
100 (this color)
#B9ECFF
oklch(91.4% 0.058 222.7)
-
Step 200
200
#BCE0ED
oklch(88.5% 0.042 221.7)
-
Step 300
300
#8ACCE4
oklch(80.9% 0.075 222.8)
-
Step 400
400
#2FB0D6
oklch(70.6% 0.12 222.7)
-
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
#00586E
oklch(42.7% 0.079 222.3)
-
Step 900
900
#00495C
oklch(37.6% 0.07 222.6)
-
Step 950
950
#002B38
oklch(26.8% 0.05 223.6)
#B9ECFF 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) | #E1E9FF | 0.048 |
| Deuteranopia (no green cones) | #D6E0FF | 0.044 |
| Tritanopia (no blue cones) | #A3F2F2 | 0.037 |
| Achromatopsia (no color) | #E4E4E4 | 0.058 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B9ECFF
#B9ECFF
oklch(91.4% 0.058 222.7)
- #FFD9CA
#FFD9CA
oklch(91.3% 0.047 42.7)
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 #B9ECFF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Diamond #B9F2FF ΔE 0.016
- Pale Sky Blue #BDF6FE ΔE 0.028
- Pale Turquoise #AFEEEE ΔE 0.029
- Robin's Egg Blue #98EFF9 ΔE 0.037
- Powder Blue #B0E0E6 ΔE 0.043
- Robin Egg Blue #8AF1FE ΔE 0.047
- Duck Egg Blue #C3FBF4 ΔE 0.049
- Pale Cyan #B7FFFA ΔE 0.053
Use #B9ECFF 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.