#3E5ECE
Closest named color: Warm Blue (#4B57DB). oklch(52.2% 0.177 267.8), rgb(62, 94, 206).
Aa
White text reads best on this color (5.68:1).
About this color
#3E5ECE is a medium-dark, vivid blue. In OKLCH its lightness is 52%, its chroma 0.177 and its hue 268°. Its hue sits on the cool side of the wheel. The nearest named color is Warm Blue (#4B57DB), ΔE 0.029 away. White text reads best on it, at 5.68:1.
| Hue family | Blues |
| Lightness | medium-dark (52%) |
| Chroma | vivid (0.177) |
| Temperature | cool |
| Nearest name | Warm Blue (#4B57DB) |
| Black text | 3.69:1 |
| White text | 5.68:1 |
Values
| HEX | #3E5ECE |
| RGB | rgb(62, 94, 206) |
| HSL | hsl(227, 60%, 53%) |
| OKLCH | oklch(52.2% 0.177 267.8) |
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 #3E5ECE | 5.68:1 | AA | Lc -83.3 | Fine for body text |
| Black text on #3E5ECE | 3.69:1 | AA large text | Lc 26.1 | Dividers and decoration only |
| #3E5ECE text on white | 5.68:1 | AA | Lc 78.0 | Fine for body text |
| #3E5ECE text on black | 3.69:1 | AA large text | Lc -23.8 | Dividers and decoration only |
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 700.
-
Step 50
50
#F2F5FD
oklch(97% 0.011 269.6)
-
Step 100
100
#E3EAFB
oklch(93.7% 0.024 267.9)
-
Step 200
200
#CBD9FA
oklch(88.5% 0.048 267.2)
-
Step 300
300
#A9BFF9
oklch(80.9% 0.086 268.4)
-
Step 400
400
#7B9CF6
oklch(70.7% 0.137 267.6)
-
Step 500
500
#5C80F2
oklch(63% 0.175 267.9)
-
Step 600
600
#4466E1
oklch(55.5% 0.191 267.9)
-
Step 700
700 (this color)
#3E5ECE
oklch(52.2% 0.177 267.8)
-
Step 800
800
#2D469E
oklch(42.8% 0.146 267.8)
-
Step 900
900
#273C7D
oklch(37.7% 0.113 267.3)
-
Step 950
950
#172349
oklch(26.8% 0.072 268.1)
#3E5ECE 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) | #006ED2 | 0.046 |
| Deuteranopia (no green cones) | #0060CC | 0.036 |
| Tritanopia (no blue cones) | #00798D | 0.143 |
| Achromatopsia (no color) | #676767 | 0.177 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3E5ECE
#3E5ECE
oklch(52.2% 0.177 267.8)
- #836500
#836500
oklch(52.2% 0.107 88.2)
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 #3E5ECE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Warm Blue #4B57DB ΔE 0.029
- Royal Blue #4169E1 ΔE 0.039
- Iris #6258C4 ΔE 0.049
- Neon Blue #4361EE ΔE 0.050
- Azul #1D5DEC ΔE 0.052
- Dark Periwinkle #665FD1 ΔE 0.053
- Slate Blue #6A5ACD ΔE 0.058
- Mid Blue #276AB3 ΔE 0.058
Use #3E5ECE 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.