#DCF3FB
Closest named color: Anti-Flash White (#EDF2F4). oklch(95% 0.026 220.6), rgb(220, 243, 251).
Aa
Black text reads best on this color (18.25:1).
About this color
#DCF3FB is a very light close to neutral grey. In OKLCH its lightness is 95%, its chroma 0.026. It has too little chroma to lean warm or cool. The nearest named color is Anti-Flash White (#EDF2F4), ΔE 0.022 away. Black text reads best on it, at 18.25:1.
| Hue family | Neutrals |
| Lightness | very light (95%) |
| Chroma | close to neutral grey (0.026) |
| Temperature | neutral |
| Nearest name | Anti-Flash White (#EDF2F4) |
| Black text | 18.25:1 |
| White text | 1.15:1 |
Values
| HEX | #DCF3FB |
| RGB | rgb(220, 243, 251) |
| HSL | hsl(195, 79%, 92%) |
| OKLCH | oklch(95% 0.026 220.6) |
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 #DCF3FB | 1.15:1 | Fails | Lc -8.3 | Not readable |
| Black text on #DCF3FB | 18.25:1 | AAA | Lc 96.5 | Preferred for body text |
| #DCF3FB text on white | 1.15:1 | Fails | Lc 0.0 | Not readable |
| #DCF3FB text on black | 18.25:1 | AAA | Lc -97.4 | 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)
#DCF3FB
oklch(95% 0.026 220.6)
-
Step 200
200
#CCDCE2
oklch(88.4% 0.019 222.2)
-
Step 300
300
#A9C6D0
oklch(80.8% 0.034 220.6)
-
Step 400
400
#7BA9B9
oklch(70.7% 0.054 221.4)
-
Step 500
500
#5693A7
oklch(63% 0.07 221.1)
-
Step 600
600
#397E92
oklch(55.7% 0.075 219.6)
-
Step 700
700
#2B6A7D
oklch(49.2% 0.07 220.9)
-
Step 800
800
#255665
oklch(42.6% 0.058 220.8)
-
Step 900
900
#234752
oklch(37.6% 0.045 220)
-
Step 950
950
#162A30
oklch(27.1% 0.028 219)
#DCF3FB 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) | #EEF1FB | 0.023 |
| Deuteranopia (no green cones) | #E9EDFB | 0.021 |
| Tritanopia (no blue cones) | #D4F6F5 | 0.016 |
| Achromatopsia (no color) | #EFEFEF | 0.027 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #DCF3FB
#DCF3FB
oklch(95% 0.026 220.6)
- #FFE9E1
#FFE9E1
oklch(95% 0.026 41.1)
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 #DCF3FB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Anti-Flash White #EDF2F4 ΔE 0.022
- Pale Blue #D0FEFE ΔE 0.029
- Alice Blue #F0F8FF ΔE 0.030
- Very Light Blue #D5FFFF ΔE 0.030
- Ice Blue #D7FFFE ΔE 0.030
- Very Pale Blue #D6FFFE ΔE 0.030
- Really Light Blue #D4FFFF ΔE 0.030
- Light Cyan #E0FFFF ΔE 0.031
Use #DCF3FB 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.