#6DAFF4
Closest named color: Carolina Blue (#8AB8FE). oklch(73.8% 0.121 250.8), rgb(109, 175, 244).
Aa
Black text reads best on this color (9.08:1).
About this color
#6DAFF4 is a medium-light, moderately saturated blue. In OKLCH its lightness is 74%, its chroma 0.121 and its hue 251°. Its hue sits on the cool side of the wheel. The nearest named color is Carolina Blue (#8AB8FE), ΔE 0.043 away. Black text reads best on it, at 9.08:1.
| Hue family | Blues |
| Lightness | medium-light (74%) |
| Chroma | moderately saturated (0.121) |
| Temperature | cool |
| Nearest name | Carolina Blue (#8AB8FE) |
| Black text | 9.08:1 |
| White text | 2.31:1 |
Values
| HEX | #6DAFF4 |
| RGB | rgb(109, 175, 244) |
| HSL | hsl(211, 86%, 69%) |
| OKLCH | oklch(73.8% 0.121 250.8) |
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 #6DAFF4 | 2.31:1 | Fails | Lc -50.3 | Large or bold text, headings |
| Black text on #6DAFF4 | 9.08:1 | AAA | Lc 58.6 | Large or bold text, headings |
| #6DAFF4 text on white | 2.31:1 | Fails | Lc 45.4 | Large or bold text, headings |
| #6DAFF4 text on black | 9.08:1 | AAA | Lc -56.7 | Large or bold text, headings |
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 400.
-
Step 50
50
#F1F6FC
oklch(97.1% 0.01 252.8)
-
Step 100
100
#DFEBF8
oklch(93.5% 0.022 250.2)
-
Step 200
200
#C5DCF5
oklch(88.5% 0.042 250.5)
-
Step 300
300
#9CC5F1
oklch(81% 0.076 250.6)
-
Step 400
400 (this color)
#6DAFF4
oklch(73.8% 0.121 250.8)
-
Step 500
500
#318DE3
oklch(63.2% 0.155 250.6)
-
Step 600
600
#0075CD
oklch(55.6% 0.161 250.9)
-
Step 700
700
#0062AD
oklch(49.1% 0.142 250.8)
-
Step 800
800
#00508F
oklch(42.6% 0.123 250.8)
-
Step 900
900
#0A4375
oklch(37.7% 0.102 250.8)
-
Step 950
950
#0A2844
oklch(27.1% 0.063 250.1)
#6DAFF4 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) | #92B2F7 | 0.043 |
| Deuteranopia (no green cones) | #81A5F3 | 0.031 |
| Tritanopia (no blue cones) | #00BFC7 | 0.105 |
| Achromatopsia (no color) | #AAAAAA | 0.121 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6DAFF4
#6DAFF4
oklch(73.8% 0.121 250.8)
- #DA9C4C
#DA9C4C
oklch(73.8% 0.121 70.8)
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 #6DAFF4, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Carolina Blue #8AB8FE ΔE 0.043
- Deep Sky Blue #00BFFF ΔE 0.058
- Periwinkle Blue #8F99FB ΔE 0.068
- Cornflower Blue #6495ED ΔE 0.071
- Lightblue #7BC8F6 ΔE 0.071
- Vivid Sky Blue #4CC9F0 ΔE 0.074
- Sky #82CAFC ΔE 0.078
- Pastel Blue #A2BFFE ΔE 0.078
Use #6DAFF4 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.