#5E59EB
Closest named color: Neon Blue (#4361EE). oklch(55.5% 0.213 278.4), rgb(94, 89, 235).
Aa
White text reads best on this color (5.11:1).
About this color
#5E59EB is a medium-dark, vivid blue. In OKLCH its lightness is 56%, its chroma 0.213 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 5.11:1.
| Hue family | Blues |
| Lightness | medium-dark (56%) |
| Chroma | vivid (0.213) |
| Temperature | cool |
| Nearest name | Neon Blue (#4361EE) |
| Black text | 4.10:1 |
| White text | 5.11:1 |
Values
| HEX | #5E59EB |
| RGB | rgb(94, 89, 235) |
| HSL | hsl(242, 78%, 64%) |
| OKLCH | oklch(55.5% 0.213 278.4) |
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 #5E59EB | 5.11:1 | AA | Lc -80.1 | Fine for body text |
| Black text on #5E59EB | 4.10:1 | AA large text | Lc 29.3 | Dividers and decoration only |
| #5E59EB text on white | 5.11:1 | AA | Lc 74.8 | Content text, not long reading |
| #5E59EB text on black | 4.10:1 | AA large text | Lc -27.0 | 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
#B2BBFE
oklch(80.9% 0.095 278.1)
-
Step 400
400
#8C94FE
oklch(70.6% 0.154 278.4)
-
Step 500
500
#7375FC
oklch(63.1% 0.196 278.5)
-
Step 600
600 (this color)
#5E59EB
oklch(55.5% 0.213 278.4)
-
Step 700
700
#4E48CD
oklch(49.2% 0.198 278.2)
-
Step 800
800
#403CA5
oklch(42.7% 0.164 278.6)
-
Step 900
900
#353583
oklch(37.7% 0.128 278.3)
-
Step 950
950
#1F204D
oklch(27.1% 0.081 278.5)
#5E59EB 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) | #0074F0 | 0.081 |
| Deuteranopia (no green cones) | #0068E8 | 0.073 |
| Tritanopia (no blue cones) | #007D9A | 0.179 |
| Achromatopsia (no color) | #6E6E6E | 0.214 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5E59EB
#5E59EB
oklch(55.5% 0.213 278.4)
- #857300
#857300
oklch(55.6% 0.115 98.3)
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 #5E59EB, 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 0.037
- Dark Periwinkle #665FD1 ΔE 0.045
- Light Indigo #6D5ACF ΔE 0.049
- Royal Blue #4169E1 ΔE 0.049
- Slate Blue #6A5ACD ΔE 0.050
- Medium Slate Blue #7B68EE ΔE 0.058
- Iris #6258C4 ΔE 0.060
Use #5E59EB 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.