#3E81E2
Closest named color: Dark Sky Blue (#448EE4). oklch(60.9% 0.162 258), rgb(62, 129, 226).
Aa
Black text reads best on this color (5.44:1).
About this color
#3E81E2 is a medium-dark, vivid blue. In OKLCH its lightness is 61%, its chroma 0.162 and its hue 258°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Sky Blue (#448EE4), ΔE 0.036 away. Black text reads best on it, at 5.44:1.
| Hue family | Blues |
| Lightness | medium-dark (61%) |
| Chroma | vivid (0.162) |
| Temperature | cool |
| Nearest name | Dark Sky Blue (#448EE4) |
| Black text | 5.44:1 |
| White text | 3.85:1 |
Values
| HEX | #3E81E2 |
| RGB | rgb(62, 129, 226) |
| HSL | hsl(215, 74%, 56%) |
| OKLCH | oklch(60.9% 0.162 258) |
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 #3E81E2 | 3.85:1 | AA large text | Lc -71.2 | Content text, not long reading |
| Black text on #3E81E2 | 5.44:1 | AA | Lc 38.4 | Non-text elements, placeholder text |
| #3E81E2 text on white | 3.85:1 | AA large text | Lc 65.7 | Content text, not long reading |
| #3E81E2 text on black | 5.44:1 | AA | Lc -36.0 | Non-text elements, placeholder 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 500.
-
Step 50
50
#F1F6FD
oklch(97.1% 0.011 256.7)
-
Step 100
100
#E1EBFA
oklch(93.7% 0.023 258.4)
-
Step 200
200
#C8DBF7
oklch(88.6% 0.044 258)
-
Step 300
300
#A1C3F4
oklch(81% 0.079 257.5)
-
Step 400
400
#6DA2EF
oklch(70.8% 0.127 257.7)
-
Step 500
500 (this color)
#3E81E2
oklch(60.9% 0.162 258)
-
Step 600
600
#246FD8
oklch(55.6% 0.177 258.1)
-
Step 700
700
#165CBB
oklch(49% 0.164 258.1)
-
Step 800
800
#164C97
oklch(42.7% 0.135 258)
-
Step 900
900
#194079
oklch(37.7% 0.107 258.2)
-
Step 950
950
#102647
oklch(27% 0.068 258.4)
#3E81E2 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) | #518AE6 | 0.032 |
| Deuteranopia (no green cones) | #337BE0 | 0.019 |
| Tritanopia (no blue cones) | #0098A6 | 0.128 |
| Achromatopsia (no color) | #828282 | 0.162 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3E81E2
#3E81E2
oklch(60.9% 0.162 258)
- #AC7700
#AC7700
oklch(60.8% 0.127 77.6)
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 #3E81E2, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Sky Blue #448EE4 ΔE 0.036
- Soft Blue #6488EA ΔE 0.046
- Water Blue #0E87CC ΔE 0.047
- Clear Blue #247AFD ΔE 0.049
- Dodger Blue #1E90FF ΔE 0.053
- Chefchaouen Blue #4895EF ΔE 0.056
- Windows Blue #3778BF ΔE 0.057
- Cornflower #6A79F7 ΔE 0.059
Use #3E81E2 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.