#5761CC
Closest named color: Dark Periwinkle (#665FD1). oklch(54.1% 0.164 275.5), rgb(87, 97, 204).
Aa
White text reads best on this color (5.26:1).
About this color
#5761CC is a medium-dark, vivid blue. In OKLCH its lightness is 54%, its chroma 0.164 and its hue 275°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Periwinkle (#665FD1), ΔE 0.023 away. White text reads best on it, at 5.26:1.
| Hue family | Blues |
| Lightness | medium-dark (54%) |
| Chroma | vivid (0.164) |
| Temperature | cool |
| Nearest name | Dark Periwinkle (#665FD1) |
| Black text | 3.98:1 |
| White text | 5.26:1 |
Values
| HEX | #5761CC |
| RGB | rgb(87, 97, 204) |
| HSL | hsl(235, 53%, 57%) |
| OKLCH | oklch(54.1% 0.164 275.5) |
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 #5761CC | 5.26:1 | AA | Lc -81.2 | Fine for body text |
| Black text on #5761CC | 3.98:1 | AA large text | Lc 28.2 | Dividers and decoration only |
| #5761CC text on white | 5.26:1 | AA | Lc 75.9 | Fine for body text |
| #5761CC text on black | 3.98:1 | AA large text | Lc -25.9 | 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
#F3F5FC
oklch(97.1% 0.01 273.4)
-
Step 100
100
#E5E9F9
oklch(93.6% 0.022 274.7)
-
Step 200
200
#D1D8F5
oklch(88.6% 0.041 274.8)
-
Step 300
300
#B3BDF1
oklch(80.9% 0.074 276.1)
-
Step 400
400
#8C9AEA
oklch(70.8% 0.118 275.4)
-
Step 500
500
#717FE3
oklch(63.2% 0.15 275.3)
-
Step 600
600 (this color)
#5761CC
oklch(54.1% 0.164 275.5)
-
Step 700
700
#4B54B5
oklch(49.2% 0.152 275.3)
-
Step 800
800
#3D4592
oklch(42.6% 0.125 275.3)
-
Step 900
900
#343B75
oklch(37.8% 0.098 275.5)
-
Step 950
950
#1E2344
oklch(27% 0.061 275)
#5761CC 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) | #2371D0 | 0.057 |
| Deuteranopia (no green cones) | #0167CA | 0.063 |
| Tritanopia (no blue cones) | #087A8D | 0.145 |
| Achromatopsia (no color) | #6C6C6C | 0.164 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5761CC
#5761CC
oklch(54.1% 0.164 275.5)
- #836E00
#836E00
oklch(54.2% 0.111 95.8)
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 #5761CC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Periwinkle #665FD1 ΔE 0.023
- Iris #6258C4 ΔE 0.027
- Slate Blue #6A5ACD ΔE 0.030
- Light Indigo #6D5ACF ΔE 0.035
- Warm Blue #4B57DB ΔE 0.039
- Royal Blue #4169E1 ΔE 0.041
- Neon Blue #4361EE ΔE 0.057
- French Blue #436BAD ΔE 0.063
Use #5761CC 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.