#5A56CF
Closest named color: Iris (#6258C4). oklch(52.5% 0.181 279.6), rgb(90, 86, 207).
Aa
White text reads best on this color (5.72:1).
About this color
#5A56CF is a medium-dark, vivid blue. In OKLCH its lightness is 53%, its chroma 0.181 and its hue 280°. Its hue sits on the cool side of the wheel. The nearest named color is Iris (#6258C4), ΔE 0.022 away. White text reads best on it, at 5.72:1.
| Hue family | Blues |
| Lightness | medium-dark (53%) |
| Chroma | vivid (0.181) |
| Temperature | cool |
| Nearest name | Iris (#6258C4) |
| Black text | 3.66:1 |
| White text | 5.72:1 |
Values
| HEX | #5A56CF |
| RGB | rgb(90, 86, 207) |
| HSL | hsl(242, 56%, 57%) |
| OKLCH | oklch(52.5% 0.181 279.6) |
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 #5A56CF | 5.72:1 | AA | Lc -83.5 | Fine for body text |
| Black text on #5A56CF | 3.66:1 | AA large text | Lc 25.8 | Dividers and decoration only |
| #5A56CF text on white | 5.72:1 | AA | Lc 78.3 | Fine for body text |
| #5A56CF text on black | 3.66:1 | AA large text | Lc -23.5 | 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
#F4F5FD
oklch(97.2% 0.011 280.5)
-
Step 100
100
#E6E9FA
oklch(93.7% 0.023 277.9)
-
Step 200
200
#D2D7F7
oklch(88.5% 0.044 278.4)
-
Step 300
300
#B5BCF5
oklch(81% 0.081 279)
-
Step 400
400
#9096F0
oklch(70.6% 0.131 279.6)
-
Step 500
500
#777AEB
oklch(63.1% 0.166 279.4)
-
Step 600
600 (this color)
#5A56CF
oklch(52.5% 0.181 279.6)
-
Step 700
700
#524EBD
oklch(49.2% 0.169 279.8)
-
Step 800
800
#434199
oklch(42.8% 0.14 279.7)
-
Step 900
900
#383879
oklch(37.7% 0.108 279.9)
-
Step 950
950
#202147
oklch(26.9% 0.069 279.5)
#5A56CF 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) | #006BD3 | 0.077 |
| Deuteranopia (no green cones) | #0061CD | 0.072 |
| Tritanopia (no blue cones) | #19738A | 0.157 |
| Achromatopsia (no color) | #666666 | 0.182 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5A56CF
#5A56CF
oklch(52.5% 0.181 279.6)
- #7A6B00
#7A6B00
oklch(52.6% 0.109 99.6)
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 #5A56CF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Iris #6258C4 ΔE 0.022
- Warm Blue #4B57DB ΔE 0.027
- Slate Blue #6A5ACD ΔE 0.028
- Dark Periwinkle #665FD1 ΔE 0.030
- Light Indigo #6D5ACF ΔE 0.032
- Bluey Purple #6241C7 ΔE 0.046
- Royal Blue #4169E1 ΔE 0.055
- Neon Blue #4361EE ΔE 0.058
Use #5A56CF 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.