#5A56CE
Closest named color: Iris (#6258C4). oklch(52.5% 0.18 279.7), rgb(90, 86, 206).
Aa
White text reads best on this color (5.74:1).
About this color
#5A56CE is a medium-dark, vivid blue. In OKLCH its lightness is 52%, its chroma 0.180 and its hue 280°. Its hue sits on the cool side of the wheel. The nearest named color is Iris (#6258C4), ΔE 0.021 away. White text reads best on it, at 5.74:1.
| Hue family | Blues |
| Lightness | medium-dark (52%) |
| Chroma | vivid (0.180) |
| Temperature | cool |
| Nearest name | Iris (#6258C4) |
| Black text | 3.65:1 |
| White text | 5.74:1 |
Values
| HEX | #5A56CE |
| RGB | rgb(90, 86, 206) |
| HSL | hsl(242, 55%, 57%) |
| OKLCH | oklch(52.5% 0.18 279.7) |
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 #5A56CE | 5.74:1 | AA | Lc -83.6 | Fine for body text |
| Black text on #5A56CE | 3.65:1 | AA large text | Lc 25.7 | Dividers and decoration only |
| #5A56CE text on white | 5.74:1 | AA | Lc 78.3 | Fine for body text |
| #5A56CE text on black | 3.65:1 | AA large text | Lc -23.4 | 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
#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
#9197F0
oklch(70.8% 0.129 279.6)
-
Step 500
500
#787AEA
oklch(63.1% 0.165 279.8)
-
Step 600
600 (this color)
#5A56CE
oklch(52.5% 0.18 279.7)
-
Step 700
700
#524EBC
oklch(49.1% 0.168 279.9)
-
Step 800
800
#434198
oklch(42.8% 0.138 279.8)
-
Step 900
900
#383879
oklch(37.7% 0.108 279.9)
-
Step 950
950
#202147
oklch(26.9% 0.069 279.5)
#5A56CE 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) | #006BD2 | 0.077 |
| Deuteranopia (no green cones) | #0061CC | 0.072 |
| Tritanopia (no blue cones) | #1B728A | 0.154 |
| Achromatopsia (no color) | #666666 | 0.181 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5A56CE
#5A56CE
oklch(52.5% 0.18 279.7)
- #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 #5A56CE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Iris #6258C4 ΔE 0.021
- Slate Blue #6A5ACD ΔE 0.028
- Warm Blue #4B57DB 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 0.056
- Neon Blue #4361EE ΔE 0.059
Use #5A56CE 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.