#D9EFFF
Closest named color: Lavender (#E6E6FA). oklch(94.1% 0.032 239.4), rgb(217, 239, 255).
Aa
Black text reads best on this color (17.74:1).
About this color
#D9EFFF is a very light, muted blue. In OKLCH its lightness is 94%, its chroma 0.032 and its hue 239°. Its hue sits on the cool side of the wheel. The nearest named color is Lavender (#E6E6FA), ΔE 0.026 away. Black text reads best on it, at 17.74:1.
| Hue family | Blues |
| Lightness | very light (94%) |
| Chroma | muted (0.032) |
| Temperature | cool |
| Nearest name | Lavender (#E6E6FA) |
| Black text | 17.74:1 |
| White text | 1.18:1 |
Values
| HEX | #D9EFFF |
| RGB | rgb(217, 239, 255) |
| HSL | hsl(205, 100%, 93%) |
| OKLCH | oklch(94.1% 0.032 239.4) |
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 #D9EFFF | 1.18:1 | Fails | Lc -10.4 | Not readable |
| Black text on #D9EFFF | 17.74:1 | AAA | Lc 94.7 | Preferred for body text |
| #D9EFFF text on white | 1.18:1 | Fails | Lc 8.9 | Not readable |
| #D9EFFF text on black | 17.74:1 | AAA | Lc -95.3 | 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
#F2F6F9
oklch(97.1% 0.006 239.8)
-
Step 100
100 (this color)
#D9EFFF
oklch(94.1% 0.032 239.4)
-
Step 200
200
#CCDCE7
oklch(88.6% 0.023 237.7)
-
Step 300
300
#A9C5D9
oklch(80.9% 0.041 239.1)
-
Step 400
400
#7BA7C5
oklch(70.8% 0.065 238.7)
-
Step 500
500
#5790B7
oklch(63% 0.084 239.9)
-
Step 600
600
#3B7AA3
oklch(55.6% 0.091 239.8)
-
Step 700
700
#2C678C
oklch(49.2% 0.085 239.4)
-
Step 800
800
#265471
oklch(42.7% 0.07 239)
-
Step 900
900
#24455C
oklch(37.6% 0.055 240.8)
-
Step 950
950
#162936
oklch(27.1% 0.035 239.7)
#D9EFFF 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) | #E8EEFF | 0.019 |
| Deuteranopia (no green cones) | #E3EAFF | 0.017 |
| Tritanopia (no blue cones) | #CFF3F4 | 0.025 |
| Achromatopsia (no color) | #ECECEC | 0.032 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #D9EFFF
#D9EFFF
oklch(94.1% 0.032 239.4)
- #FCE7D7
#FCE7D7
oklch(94.1% 0.031 59.7)
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 #D9EFFF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Lavender #E6E6FA ΔE 0.026
- Anti-Flash White #EDF2F4 ΔE 0.031
- Pale Sky Blue #BDF6FE ΔE 0.036
- Diamond #B9F2FF ΔE 0.037
- Alice Blue #F0F8FF ΔE 0.039
- Pale Blue #D0FEFE ΔE 0.040
- Very Light Blue #D5FFFF ΔE 0.042
- Really Light Blue #D4FFFF ΔE 0.042
Use #D9EFFF 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.