#5759EA
Closest named color: Neon Blue (#4361EE). oklch(55% 0.213 276.2), rgb(87, 89, 234).
Aa
White text reads best on this color (5.22:1).
About this color
#5759EA is a medium-dark, vivid blue. In OKLCH its lightness is 55%, its chroma 0.213 and its hue 276°. Its hue sits on the cool side of the wheel. The nearest named color is Neon Blue (#4361EE), ΔE 0.027 away. White text reads best on it, at 5.22:1.
| Hue family | Blues |
| Lightness | medium-dark (55%) |
| Chroma | vivid (0.213) |
| Temperature | cool |
| Nearest name | Neon Blue (#4361EE) |
| Black text | 4.02:1 |
| White text | 5.22:1 |
Values
| HEX | #5759EA |
| RGB | rgb(87, 89, 234) |
| HSL | hsl(239, 78%, 63%) |
| OKLCH | oklch(55% 0.213 276.2) |
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 #5759EA | 5.22:1 | AA | Lc -80.7 | Fine for body text |
| Black text on #5759EA | 4.02:1 | AA large text | Lc 28.7 | Dividers and decoration only |
| #5759EA text on white | 5.22:1 | AA | Lc 75.4 | Fine for body text |
| #5759EA text on black | 4.02:1 | AA large text | Lc -26.4 | 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
#E4E9FD
oklch(93.6% 0.028 274.7)
-
Step 200
200
#CFD7FD
oklch(88.5% 0.053 275.9)
-
Step 300
300
#B0BCFF
oklch(81% 0.096 276.2)
-
Step 400
400
#8896FF
oklch(70.8% 0.153 276)
-
Step 500
500
#6E77FD
oklch(63.1% 0.196 276.3)
-
Step 600
600 (this color)
#5759EA
oklch(55% 0.213 276.2)
-
Step 700
700
#4949CD
oklch(49% 0.198 276.2)
-
Step 800
800
#3C3DA6
oklch(42.6% 0.165 276.4)
-
Step 900
900
#323684
oklch(37.7% 0.129 276.1)
-
Step 950
950
#1D204D
oklch(26.9% 0.082 276.5)
#5759EA 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) | #0073EF | 0.074 |
| Deuteranopia (no green cones) | #0066E7 | 0.064 |
| Tritanopia (no blue cones) | #007E99 | 0.179 |
| Achromatopsia (no color) | #6C6C6C | 0.214 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5759EA
#5759EA
oklch(55% 0.213 276.2)
- #857000
#857000
oklch(54.9% 0.113 96)
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 #5759EA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Neon Blue #4361EE ΔE 0.027
- Warm Blue #4B57DB ΔE 0.029
- Royal Blue #4169E1 ΔE 0.044
- Dark Periwinkle #665FD1 ΔE 0.047
- Slate Blue #6A5ACD ΔE 0.053
- Light Indigo #6D5ACF ΔE 0.053
- Azul #1D5DEC ΔE 0.054
- Iris #6258C4 ΔE 0.060
Use #5759EA 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.