#4E50D9
Closest named color: Warm Blue (#4B57DB). oklch(51.5% 0.204 275.9), rgb(78, 80, 217).
Aa
White text reads best on this color (6.04:1).
About this color
#4E50D9 is a medium-dark, vivid blue. In OKLCH its lightness is 51%, its chroma 0.204 and its hue 276°. Its hue sits on the cool side of the wheel. The nearest named color is Warm Blue (#4B57DB), ΔE 0.015 away. White text reads best on it, at 6.04:1.
| Hue family | Blues |
| Lightness | medium-dark (51%) |
| Chroma | vivid (0.204) |
| Temperature | cool |
| Nearest name | Warm Blue (#4B57DB) |
| Black text | 3.47:1 |
| White text | 6.04:1 |
Values
| HEX | #4E50D9 |
| RGB | rgb(78, 80, 217) |
| HSL | hsl(239, 65%, 58%) |
| OKLCH | oklch(51.5% 0.204 275.9) |
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 #4E50D9 | 6.04:1 | AA | Lc -84.8 | Fine for body text |
| Black text on #4E50D9 | 3.47:1 | AA large text | Lc 24.4 | Dividers and decoration only |
| #4E50D9 text on white | 6.04:1 | AA | Lc 79.6 | Fine for body text |
| #4E50D9 text on black | 3.47:1 | AA large text | Lc -22.2 | 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
#F3F5FF
oklch(97.2% 0.013 277.1)
-
Step 100
100
#E4E9FE
oklch(93.7% 0.029 275.2)
-
Step 200
200
#CFD7FE
oklch(88.6% 0.054 276.1)
-
Step 300
300
#AFBCFF
oklch(80.9% 0.096 275.6)
-
Step 400
400
#8796FF
oklch(70.7% 0.154 275.6)
-
Step 500
500
#6C77FF
oklch(63.2% 0.199 275.6)
-
Step 600
600
#575AF0
oklch(55.6% 0.22 275.7)
-
Step 700
700 (this color)
#4E50D9
oklch(51.5% 0.204 275.9)
-
Step 800
800
#3B3CA9
oklch(42.7% 0.17 276)
-
Step 900
900
#313586
oklch(37.6% 0.133 275.8)
-
Step 950
950
#1D204E
oklch(27% 0.083 276.5)
#4E50D9 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) | #0069DD | 0.070 |
| Deuteranopia (no green cones) | #005CD6 | 0.058 |
| Tritanopia (no blue cones) | #00738D | 0.169 |
| Achromatopsia (no color) | #636363 | 0.205 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4E50D9
#4E50D9
oklch(51.5% 0.204 275.9)
- #7A6600
#7A6600
oklch(51.4% 0.106 95.5)
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 #4E50D9, closest first.
No curated palette has a color within ΔE 0.04 of #4E50D9.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Warm Blue #4B57DB ΔE 0.015
- Neon Blue #4361EE ΔE 0.049
- Bluey Purple #6241C7 ΔE 0.050
- Iris #6258C4 ΔE 0.050
- Blurple #5539CC ΔE 0.050
- Blue With A Hint Of Purple #533CC6 ΔE 0.051
- Slate Blue #6A5ACD ΔE 0.054
- Dark Periwinkle #665FD1 ΔE 0.054
Use #4E50D9 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.