#3D5DEA
Closest named color: Neon Blue (#4361EE). oklch(54.3% 0.215 268.3), rgb(61, 93, 234).
Aa
White text reads best on this color (5.31:1).
About this color
#3D5DEA is a medium-dark, vivid blue. In OKLCH its lightness is 54%, its chroma 0.215 and its hue 268°. Its hue sits on the cool side of the wheel. The nearest named color is Neon Blue (#4361EE), ΔE 0.014 away. White text reads best on it, at 5.31:1.
| Hue family | Blues |
| Lightness | medium-dark (54%) |
| Chroma | vivid (0.215) |
| Temperature | cool |
| Nearest name | Neon Blue (#4361EE) |
| Black text | 3.95:1 |
| White text | 5.31:1 |
Values
| HEX | #3D5DEA |
| RGB | rgb(61, 93, 234) |
| HSL | hsl(229, 80%, 58%) |
| OKLCH | oklch(54.3% 0.215 268.3) |
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 #3D5DEA | 5.31:1 | AA | Lc -81.2 | Fine for body text |
| Black text on #3D5DEA | 3.95:1 | AA large text | Lc 28.3 | Dividers and decoration only |
| #3D5DEA text on white | 5.31:1 | AA | Lc 75.8 | Fine for body text |
| #3D5DEA text on black | 3.95:1 | AA large text | Lc -25.9 | 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 600.
-
Step 50
50
#F2F5FF
oklch(97.1% 0.014 272.7)
-
Step 100
100
#E2EAFD
oklch(93.7% 0.027 267.5)
-
Step 200
200
#CAD9FE
oklch(88.6% 0.054 267.9)
-
Step 300
300
#A6BFFF
oklch(80.9% 0.095 267.8)
-
Step 400
400
#799AFF
oklch(70.6% 0.153 268.6)
-
Step 500
500
#587DFF
oklch(63.1% 0.197 268.3)
-
Step 600
600 (this color)
#3D5DEA
oklch(54.3% 0.215 268.3)
-
Step 700
700
#334FD0
oklch(49.1% 0.201 268.3)
-
Step 800
800
#2A42A8
oklch(42.7% 0.166 268.2)
-
Step 900
900
#253985
oklch(37.6% 0.13 268.3)
-
Step 950
950
#16224E
oklch(26.9% 0.083 268.8)
#3D5DEA 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) | #0074EF | 0.056 |
| Deuteranopia (no green cones) | #0063E7 | 0.033 |
| Tritanopia (no blue cones) | #00819B | 0.169 |
| Achromatopsia (no color) | #6B6B6B | 0.216 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3D5DEA
#3D5DEA
oklch(54.3% 0.215 268.3)
- #8A6B00
#8A6B00
oklch(54.3% 0.111 88.6)
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 #3D5DEA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Neon Blue #4361EE ΔE 0.014
- Azul #1D5DEC ΔE 0.024
- Warm Blue #4B57DB ΔE 0.029
- Royal Blue #4169E1 ΔE 0.033
- Bright Blue #0165FC ΔE 0.041
- Cerulean Blue #056EEE ΔE 0.044
- Electric Blue #0652FF ΔE 0.054
- Dark Periwinkle #665FD1 ΔE 0.065
Use #3D5DEA 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.