#5E65E5
Closest named color: Dark Periwinkle (#665FD1). oklch(57.1% 0.191 276.2), rgb(94, 101, 229).
Aa
White text reads best on this color (4.69:1).
About this color
#5E65E5 is a medium-dark, vivid blue. In OKLCH its lightness is 57%, its chroma 0.191 and its hue 276°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Periwinkle (#665FD1), ΔE 0.034 away. White text reads best on it, at 4.69:1.
| Hue family | Blues |
| Lightness | medium-dark (57%) |
| Chroma | vivid (0.191) |
| Temperature | cool |
| Nearest name | Dark Periwinkle (#665FD1) |
| Black text | 4.46:1 |
| White text | 4.69:1 |
Values
| HEX | #5E65E5 |
| RGB | rgb(94, 101, 229) |
| HSL | hsl(237, 72%, 63%) |
| OKLCH | oklch(57.1% 0.191 276.2) |
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 #5E65E5 | 4.69:1 | AA | Lc -77.7 | Fine for body text |
| Black text on #5E65E5 | 4.46:1 | AA large text | Lc 31.8 | Non-text elements, placeholder text |
| #5E65E5 text on white | 4.69:1 | AA | Lc 72.3 | Content text, not long reading |
| #5E65E5 text on black | 4.46:1 | AA large text | Lc -29.4 | 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
#F3F5FD
oklch(97.1% 0.011 274.9)
-
Step 100
100
#E5E9FB
oklch(93.6% 0.025 275.9)
-
Step 200
200
#D0D7F9
oklch(88.5% 0.047 276.2)
-
Step 300
300
#B1BCF8
oklch(80.8% 0.086 276.3)
-
Step 400
400
#8A97F5
oklch(70.6% 0.138 276.3)
-
Step 500
500
#707BF1
oklch(63.2% 0.175 276.2)
-
Step 600
600 (this color)
#5E65E5
oklch(57.1% 0.191 276.2)
-
Step 700
700
#4A4EC2
oklch(49% 0.178 276.1)
-
Step 800
800
#3D419D
oklch(42.7% 0.147 276.3)
-
Step 900
900
#33387D
oklch(37.7% 0.115 276.2)
-
Step 950
950
#1E2249
oklch(27.1% 0.072 276.1)
#5E65E5 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) | #0079E9 | 0.072 |
| Deuteranopia (no green cones) | #006EE2 | 0.067 |
| Tritanopia (no blue cones) | #00839B | 0.165 |
| Achromatopsia (no color) | #747474 | 0.191 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5E65E5
#5E65E5
oklch(57.1% 0.191 276.2)
- #8C7700
#8C7700
oklch(57.2% 0.118 96.7)
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 #5E65E5, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Periwinkle #665FD1 ΔE 0.034
- Royal Blue #4169E1 ΔE 0.034
- Neon Blue #4361EE ΔE 0.038
- Light Indigo #6D5ACF ΔE 0.044
- Slate Blue #6A5ACD ΔE 0.045
- Medium Slate Blue #7B68EE ΔE 0.046
- Warm Blue #4B57DB ΔE 0.046
- Iris #6258C4 ΔE 0.057
Use #5E65E5 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.