#5E59EE
Closest named color: Neon Blue (#4361EE). oklch(55.8% 0.217 278.2), rgb(94, 89, 238).
Aa
White text reads best on this color (5.07:1).
About this color
#5E59EE is a medium-dark, vivid blue. In OKLCH its lightness is 56%, its chroma 0.217 and its hue 278°. Its hue sits on the cool side of the wheel. The nearest named color is Neon Blue (#4361EE), ΔE 0.035 away. White text reads best on it, at 5.07:1.
| Hue family | Blues |
| Lightness | medium-dark (56%) |
| Chroma | vivid (0.217) |
| Temperature | cool |
| Nearest name | Neon Blue (#4361EE) |
| Black text | 4.13:1 |
| White text | 5.07:1 |
Values
| HEX | #5E59EE |
| RGB | rgb(94, 89, 238) |
| HSL | hsl(242, 81%, 64%) |
| OKLCH | oklch(55.8% 0.217 278.2) |
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 #5E59EE | 5.07:1 | AA | Lc -79.9 | Fine for body text |
| Black text on #5E59EE | 4.13:1 | AA large text | Lc 29.6 | Dividers and decoration only |
| #5E59EE text on white | 5.07:1 | AA | Lc 74.5 | Content text, not long reading |
| #5E59EE text on black | 4.13:1 | AA large text | Lc -27.2 | 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 600.
-
Step 50
50
#F3F5FE
oklch(97.1% 0.012 276.1)
-
Step 100
100
#E5E8FD
oklch(93.5% 0.029 279.4)
-
Step 200
200
#D0D6FD
oklch(88.4% 0.054 278.3)
-
Step 300
300
#B2BBFF
oklch(81% 0.097 278.2)
-
Step 400
400
#8C94FF
oklch(70.7% 0.155 278.4)
-
Step 500
500
#7275FE
oklch(63.1% 0.199 278.1)
-
Step 600
600 (this color)
#5E59EE
oklch(55.8% 0.217 278.2)
-
Step 700
700
#4E47CF
oklch(49.2% 0.202 278.2)
-
Step 800
800
#3F3BA7
oklch(42.6% 0.168 278.2)
-
Step 900
900
#353584
oklch(37.8% 0.129 278.2)
-
Step 950
950
#1E204D
oklch(27% 0.081 277.5)
#5E59EE 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) | #0074F3 | 0.081 |
| Deuteranopia (no green cones) | #0068EB | 0.072 |
| Tritanopia (no blue cones) | #007E9B | 0.183 |
| Achromatopsia (no color) | #6E6E6E | 0.218 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5E59EE
#5E59EE
oklch(55.8% 0.217 278.2)
- #867400
#867400
oklch(55.9% 0.116 98.4)
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 #5E59EE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Neon Blue #4361EE ΔE 0.035
- Warm Blue #4B57DB ΔE 0.040
- Dark Periwinkle #665FD1 ΔE 0.049
- Royal Blue #4169E1 ΔE 0.051
- Light Indigo #6D5ACF ΔE 0.053
- Slate Blue #6A5ACD ΔE 0.054
- Medium Slate Blue #7B68EE ΔE 0.058
- Azul #1D5DEC ΔE 0.064
Use #5E59EE 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.