#D3F9FB
Closest named color: Pale Blue (#D0FEFE). oklch(95.6% 0.039 200.4), rgb(211, 249, 251).
Aa
Black text reads best on this color (18.71:1).
About this color
#D3F9FB is a very light, muted teal or cyan. In OKLCH its lightness is 96%, its chroma 0.039 and its hue 200°. Its hue sits on the cool side of the wheel. The nearest named color is Pale Blue (#D0FEFE), ΔE 0.012 away. Black text reads best on it, at 18.71:1.
| Hue family | Teals and cyans |
| Lightness | very light (96%) |
| Chroma | muted (0.039) |
| Temperature | cool |
| Nearest name | Pale Blue (#D0FEFE) |
| Black text | 18.71:1 |
| White text | 1.12:1 |
Values
| HEX | #D3F9FB |
| RGB | rgb(211, 249, 251) |
| HSL | hsl(183, 83%, 91%) |
| OKLCH | oklch(95.6% 0.039 200.4) |
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 #D3F9FB | 1.12:1 | Fails | Lc 0.0 | Not readable |
| Black text on #D3F9FB | 18.71:1 | AAA | Lc 98.2 | Preferred for body text |
| #D3F9FB text on white | 1.12:1 | Fails | Lc 0.0 | Not readable |
| #D3F9FB text on black | 18.71:1 | AAA | Lc -99.2 | 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 50.
-
Step 50
50 (this color)
#D3F9FB
oklch(95.6% 0.039 200.4)
-
Step 100
100
#DFEDEE
oklch(93.6% 0.015 202)
-
Step 200
200
#C5DFE0
oklch(88.5% 0.028 199.5)
-
Step 300
300
#9BCBCE
oklch(80.9% 0.05 201)
-
Step 400
400
#5EB0B5
oklch(70.7% 0.08 200.7)
-
Step 500
500
#189CA2
oklch(63.1% 0.103 199.9)
-
Step 600
600
#008389
oklch(55.5% 0.094 200.5)
-
Step 700
700
#006F74
oklch(49.2% 0.084 200.3)
-
Step 800
800
#005B5F
oklch(42.8% 0.073 200)
-
Step 900
900
#004B4F
oklch(37.5% 0.064 200.9)
-
Step 950
950
#042D2F
oklch(27.1% 0.043 199.9)
#D3F9FB 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) | #F3F5FB | 0.040 |
| Deuteranopia (no green cones) | #EBEFFB | 0.037 |
| Tritanopia (no blue cones) | #C7FCF9 | 0.016 |
| Achromatopsia (no color) | #F2F2F2 | 0.040 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #D3F9FB
#D3F9FB
oklch(95.6% 0.039 200.4)
- #FFEBEA
#FFEBEA
oklch(95.6% 0.022 21)
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 #D3F9FB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pale Blue #D0FEFE ΔE 0.012
- Really Light Blue #D4FFFF ΔE 0.015
- Very Light Blue #D5FFFF ΔE 0.016
- Very Pale Blue #D6FFFE ΔE 0.016
- Ice Blue #D7FFFE ΔE 0.016
- Ice #D6FFFA ΔE 0.017
- Light Light Blue #CAFFFB ΔE 0.018
- Duck Egg Blue #C3FBF4 ΔE 0.023
Use #D3F9FB 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.