#D3EFFB
Closest named color: Pale Sky Blue (#BDF6FE). oklch(93.5% 0.034 225.4), rgb(211, 239, 251).
Aa
Black text reads best on this color (17.50:1).
About this color
#D3EFFB is a very light, muted teal or cyan. In OKLCH its lightness is 94%, its chroma 0.034 and its hue 225°. Its hue sits on the cool side of the wheel. The nearest named color is Pale Sky Blue (#BDF6FE), ΔE 0.029 away. Black text reads best on it, at 17.50:1.
| Hue family | Teals and cyans |
| Lightness | very light (94%) |
| Chroma | muted (0.034) |
| Temperature | cool |
| Nearest name | Pale Sky Blue (#BDF6FE) |
| Black text | 17.50:1 |
| White text | 1.19:1 |
Values
| HEX | #D3EFFB |
| RGB | rgb(211, 239, 251) |
| HSL | hsl(198, 83%, 91%) |
| OKLCH | oklch(93.5% 0.034 225.4) |
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 #D3EFFB | 1.19:1 | Fails | Lc -11.4 | Not readable |
| Black text on #D3EFFB | 17.50:1 | AAA | Lc 93.8 | Preferred for body text |
| #D3EFFB text on white | 1.19:1 | Fails | Lc 9.7 | Not readable |
| #D3EFFB text on black | 17.50:1 | AAA | Lc -94.4 | 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
#F2F6F8
oklch(97.1% 0.005 228.8)
-
Step 100
100 (this color)
#D3EFFB
oklch(93.5% 0.034 225.4)
-
Step 200
200
#C9DDE5
oklch(88.5% 0.024 223.7)
-
Step 300
300
#A4C7D6
oklch(80.9% 0.043 225.7)
-
Step 400
400
#70AAC1
oklch(70.7% 0.069 225)
-
Step 500
500
#4695B2
oklch(63.2% 0.088 225)
-
Step 600
600
#207E9E
oklch(55.5% 0.096 226.1)
-
Step 700
700
#0F6B87
oklch(49.2% 0.089 225.1)
-
Step 800
800
#13576E
oklch(42.7% 0.074 226)
-
Step 900
900
#194859
oklch(37.8% 0.058 225.5)
-
Step 950
950
#102A34
oklch(27% 0.037 225.8)
#D3EFFB 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) | #E8EDFC | 0.027 |
| Deuteranopia (no green cones) | #E2E8FB | 0.025 |
| Tritanopia (no blue cones) | #C8F3F3 | 0.022 |
| Achromatopsia (no color) | #EAEAEA | 0.034 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #D3EFFB
#D3EFFB
oklch(93.5% 0.034 225.4)
- #FEE3D7
#FEE3D7
oklch(93.5% 0.034 45.5)
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 #D3EFFB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pale Sky Blue #BDF6FE ΔE 0.029
- Diamond #B9F2FF ΔE 0.030
- Lavender #E6E6FA ΔE 0.031
- Anti-Flash White #EDF2F4 ΔE 0.036
- Pale Blue #D0FEFE ΔE 0.038
- Duck Egg Blue #C3FBF4 ΔE 0.040
- Really Light Blue #D4FFFF ΔE 0.041
- Very Light Blue #D5FFFF ΔE 0.041
Use #D3EFFB 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.