#5C5BCB
Closest named color: Iris (#6258C4). oklch(53.3% 0.169 279.4), rgb(92, 91, 203).
Aa
White text reads best on this color (5.50:1).
About this color
#5C5BCB is a medium-dark, vivid blue. In OKLCH its lightness is 53%, its chroma 0.169 and its hue 279°. Its hue sits on the cool side of the wheel. The nearest named color is Iris (#6258C4), ΔE 0.015 away. White text reads best on it, at 5.50:1.
| Hue family | Blues |
| Lightness | medium-dark (53%) |
| Chroma | vivid (0.169) |
| Temperature | cool |
| Nearest name | Iris (#6258C4) |
| Black text | 3.81:1 |
| White text | 5.50:1 |
Values
| HEX | #5C5BCB |
| RGB | rgb(92, 91, 203) |
| HSL | hsl(241, 52%, 58%) |
| OKLCH | oklch(53.3% 0.169 279.4) |
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 #5C5BCB | 5.50:1 | AA | Lc -82.5 | Fine for body text |
| Black text on #5C5BCB | 3.81:1 | AA large text | Lc 26.9 | Dividers and decoration only |
| #5C5BCB text on white | 5.50:1 | AA | Lc 77.2 | Fine for body text |
| #5C5BCB text on black | 3.81:1 | AA large text | Lc -24.6 | 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
#F4F5FC
oklch(97.1% 0.009 279.7)
-
Step 100
100
#E6E9F9
oklch(93.6% 0.022 277.5)
-
Step 200
200
#D3D7F5
oklch(88.5% 0.041 279.5)
-
Step 300
300
#B6BCF2
oklch(80.9% 0.076 279.6)
-
Step 400
400
#9198EB
oklch(70.8% 0.121 279.1)
-
Step 500
500
#787CE5
oklch(63.2% 0.155 279.3)
-
Step 600
600 (this color)
#5C5BCB
oklch(53.3% 0.169 279.4)
-
Step 700
700
#5251B7
oklch(49.2% 0.157 279.4)
-
Step 800
800
#434394
oklch(42.8% 0.13 279.4)
-
Step 900
900
#383976
oklch(37.7% 0.102 279.6)
-
Step 950
950
#202245
oklch(27% 0.064 278.7)
#5C5BCB 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) | #0D6DCF | 0.073 |
| Deuteranopia (no green cones) | #0064C9 | 0.072 |
| Tritanopia (no blue cones) | #26758A | 0.147 |
| Achromatopsia (no color) | #696969 | 0.170 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5C5BCB
#5C5BCB
oklch(53.3% 0.169 279.4)
- #7D6D00
#7D6D00
oklch(53.4% 0.111 99.1)
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 #5C5BCB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Iris #6258C4 ΔE 0.015
- Dark Periwinkle #665FD1 ΔE 0.021
- Slate Blue #6A5ACD ΔE 0.021
- Light Indigo #6D5ACF ΔE 0.026
- Warm Blue #4B57DB ΔE 0.036
- Royal Blue #4169E1 ΔE 0.052
- Bluey Purple #6241C7 ΔE 0.057
- Neon Blue #4361EE ΔE 0.061
Use #5C5BCB 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.