#3EA3DD
Closest named color: Chefchaouen Blue (#4895EF). oklch(68.2% 0.126 238), rgb(62, 163, 221).
Aa
Black text reads best on this color (7.48:1).
About this color
#3EA3DD is a medium-light, moderately saturated blue. In OKLCH its lightness is 68%, its chroma 0.126 and its hue 238°. Its hue sits on the cool side of the wheel. The nearest named color is Chefchaouen Blue (#4895EF), ΔE 0.052 away. Black text reads best on it, at 7.48:1.
| Hue family | Blues |
| Lightness | medium-light (68%) |
| Chroma | moderately saturated (0.126) |
| Temperature | cool |
| Nearest name | Chefchaouen Blue (#4895EF) |
| Black text | 7.48:1 |
| White text | 2.80:1 |
Values
| HEX | #3EA3DD |
| RGB | rgb(62, 163, 221) |
| HSL | hsl(202, 70%, 55%) |
| OKLCH | oklch(68.2% 0.126 238) |
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 #3EA3DD | 2.80:1 | Fails | Lc -58.9 | Large or bold text, headings |
| Black text on #3EA3DD | 7.48:1 | AAA | Lc 50.4 | Large or bold text, headings |
| #3EA3DD text on white | 2.80:1 | Fails | Lc 53.6 | Large or bold text, headings |
| #3EA3DD text on black | 7.48:1 | AAA | Lc -48.2 | 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
#EFF7FC
oklch(97.2% 0.011 234.8)
-
Step 100
100
#DDECF8
oklch(93.5% 0.023 241.9)
-
Step 200
200
#BFDEF3
oklch(88.5% 0.044 237.6)
-
Step 300
300
#90C9EE
oklch(81% 0.079 237.5)
-
Step 400
400 (this color)
#3EA3DD
oklch(68.2% 0.126 238)
-
Step 500
500
#0093D3
oklch(63% 0.14 238.1)
-
Step 600
600
#007CB2
oklch(55.6% 0.123 237.7)
-
Step 700
700
#006897
oklch(49.1% 0.109 238.1)
-
Step 800
800
#00557C
oklch(42.7% 0.094 237.9)
-
Step 900
900
#004768
oklch(37.7% 0.083 237.5)
-
Step 950
950
#002A40
oklch(27% 0.06 237.8)
#3EA3DD 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) | #88A3E0 | 0.071 |
| Deuteranopia (no green cones) | #7294DC | 0.057 |
| Tritanopia (no blue cones) | #00B2B7 | 0.084 |
| Achromatopsia (no color) | #9A9A9A | 0.126 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3EA3DD
#3EA3DD
oklch(68.2% 0.126 238)
- #D28442
#D28442
oklch(68.3% 0.126 58.5)
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 #3EA3DD, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Chefchaouen Blue #4895EF ΔE 0.052
- Cornflower Blue #6495ED ΔE 0.057
- Dark Sky Blue #448EE4 ΔE 0.061
- Turquoise Blue #06B1C4 ΔE 0.064
- Faded Blue #658CBB ΔE 0.072
- Greyblue #77A1B5 ΔE 0.073
- Deep Sky Blue #00BFFF ΔE 0.080
- Dodger Blue #1E90FF ΔE 0.082
Use #3EA3DD 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.