#5E71E0
Closest named color: Royal Blue (#4169E1). oklch(59% 0.169 272.9), rgb(94, 113, 224).
Aa
Black text reads best on this color (4.91:1).
About this color
#5E71E0 is a medium-dark, vivid blue. In OKLCH its lightness is 59%, its chroma 0.169 and its hue 273°. Its hue sits on the cool side of the wheel. The nearest named color is Royal Blue (#4169E1), ΔE 0.041 away. Black text reads best on it, at 4.91:1.
| Hue family | Blues |
| Lightness | medium-dark (59%) |
| Chroma | vivid (0.169) |
| Temperature | cool |
| Nearest name | Royal Blue (#4169E1) |
| Black text | 4.91:1 |
| White text | 4.27:1 |
Values
| HEX | #5E71E0 |
| RGB | rgb(94, 113, 224) |
| HSL | hsl(231, 68%, 62%) |
| OKLCH | oklch(59% 0.169 272.9) |
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 #5E71E0 | 4.27:1 | AA large text | Lc -74.8 | Content text, not long reading |
| Black text on #5E71E0 | 4.91:1 | AA | Lc 34.8 | Non-text elements, placeholder text |
| #5E71E0 text on white | 4.27:1 | AA large text | Lc 69.3 | Content text, not long reading |
| #5E71E0 text on black | 4.91:1 | AA | Lc -32.4 | Non-text elements, placeholder text |
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
#E5E9F9
oklch(93.6% 0.022 274.7)
-
Step 200
200
#CFD8F6
oklch(88.5% 0.042 272.3)
-
Step 300
300
#B0BEF2
oklch(80.9% 0.075 272.9)
-
Step 400
400
#879BEC
oklch(70.7% 0.121 272.4)
-
Step 500
500
#6B7FE6
oklch(63% 0.156 272.9)
-
Step 600
600 (this color)
#5E71E0
oklch(59% 0.169 272.9)
-
Step 700
700
#4654B8
oklch(49.1% 0.157 273.2)
-
Step 800
800
#394695
oklch(42.8% 0.13 272.7)
-
Step 900
900
#313B77
oklch(37.7% 0.102 273.4)
-
Step 950
950
#1C2345
oklch(26.9% 0.064 272.7)
#5E71E0 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) | #3780E4 | 0.048 |
| Deuteranopia (no green cones) | #1E75DE | 0.054 |
| Tritanopia (no blue cones) | #008A9E | 0.148 |
| Achromatopsia (no color) | #7A7A7A | 0.169 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5E71E0
#5E71E0
oklch(59% 0.169 272.9)
- #967A00
#967A00
oklch(58.9% 0.121 92.7)
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 #5E71E0, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Royal Blue #4169E1 ΔE 0.041
- Cornflower #6A79F7 ΔE 0.042
- Dark Periwinkle #665FD1 ΔE 0.047
- Medium Slate Blue #7B68EE ΔE 0.049
- Neon Blue #4361EE ΔE 0.058
- Light Indigo #6D5ACF ΔE 0.059
- Slate Blue #6A5ACD ΔE 0.060
- Soft Blue #6488EA ΔE 0.060
Use #5E71E0 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.