#D4F3FB
Closest named color: Pale Sky Blue (#BDF6FE). oklch(94.4% 0.034 215), rgb(212, 243, 251).
Aa
Black text reads best on this color (18.01:1).
About this color
#D4F3FB is a very light, muted teal or cyan. In OKLCH its lightness is 94%, its chroma 0.034 and its hue 215°. Its hue sits on the cool side of the wheel. The nearest named color is Pale Sky Blue (#BDF6FE), ΔE 0.026 away. Black text reads best on it, at 18.01:1.
| Hue family | Teals and cyans |
| Lightness | very light (94%) |
| Chroma | muted (0.034) |
| Temperature | cool |
| Nearest name | Pale Sky Blue (#BDF6FE) |
| Black text | 18.01:1 |
| White text | 1.16:1 |
Values
| HEX | #D4F3FB |
| RGB | rgb(212, 243, 251) |
| HSL | hsl(192, 83%, 91%) |
| OKLCH | oklch(94.4% 0.034 215) |
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 #D4F3FB | 1.16:1 | Fails | Lc -9.3 | Not readable |
| Black text on #D4F3FB | 18.01:1 | AAA | Lc 95.6 | Preferred for body text |
| #D4F3FB text on white | 1.16:1 | Fails | Lc 7.9 | Not readable |
| #D4F3FB text on black | 18.01:1 | AAA | Lc -96.4 | 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
#F1F6F8
oklch(97% 0.006 223.5)
-
Step 100
100 (this color)
#D4F3FB
oklch(94.4% 0.034 215)
-
Step 200
200
#C8DEE3
oklch(88.6% 0.024 212.9)
-
Step 300
300
#A1C8D2
oklch(80.8% 0.044 215.1)
-
Step 400
400
#6BACBC
oklch(70.7% 0.07 215.1)
-
Step 500
500
#3D97AB
oklch(63.1% 0.089 215)
-
Step 600
600
#058197
oklch(55.6% 0.097 215.4)
-
Step 700
700
#006D7F
oklch(49.2% 0.087 214.3)
-
Step 800
800
#015969
oklch(42.7% 0.075 215.5)
-
Step 900
900
#124955
oklch(37.6% 0.059 215.6)
-
Step 950
950
#0D2B32
oklch(27% 0.037 215.6)
#D4F3FB 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) | #EDF1FC | 0.032 |
| Deuteranopia (no green cones) | #E6EBFB | 0.029 |
| Tritanopia (no blue cones) | #C9F6F5 | 0.019 |
| Achromatopsia (no color) | #EDEDED | 0.034 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #D4F3FB
#D4F3FB
oklch(94.4% 0.034 215)
- #FFE6E0
#FFE6E0
oklch(94.4% 0.029 33.7)
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 #D4F3FB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pale Sky Blue #BDF6FE ΔE 0.026
- Pale Blue #D0FEFE ΔE 0.028
- Really Light Blue #D4FFFF ΔE 0.030
- Very Light Blue #D5FFFF ΔE 0.030
- Very Pale Blue #D6FFFE ΔE 0.031
- Ice Blue #D7FFFE ΔE 0.031
- Anti-Flash White #EDF2F4 ΔE 0.031
- Diamond #B9F2FF ΔE 0.032
Use #D4F3FB 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.