#574FB3
Closest named color: Iris (#6258C4). oklch(49% 0.153 282.8), rgb(87, 79, 179).
Aa
White text reads best on this color (6.61:1).
About this color
#574FB3 is a medium-dark, vivid purple. In OKLCH its lightness is 49%, its chroma 0.153 and its hue 283°. Its hue sits on the cool side of the wheel. The nearest named color is Iris (#6258C4), ΔE 0.039 away. White text reads best on it, at 6.61:1.
| Hue family | Purples |
| Lightness | medium-dark (49%) |
| Chroma | vivid (0.153) |
| Temperature | cool |
| Nearest name | Iris (#6258C4) |
| Black text | 3.17:1 |
| White text | 6.61:1 |
Values
| HEX | #574FB3 |
| RGB | rgb(87, 79, 179) |
| HSL | hsl(245, 40%, 51%) |
| OKLCH | oklch(49% 0.153 282.8) |
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 #574FB3 | 6.61:1 | AA | Lc -87.5 | Fine for body text |
| Black text on #574FB3 | 3.17:1 | AA large text | Lc 21.6 | Dividers and decoration only |
| #574FB3 text on white | 6.61:1 | AA | Lc 82.4 | Fine for body text |
| #574FB3 text on black | 3.17:1 | AA large text | Lc -19.5 | 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 700.
-
Step 50
50
#F4F5FC
oklch(97.1% 0.009 279.7)
-
Step 100
100
#E7E8F8
oklch(93.5% 0.022 283.1)
-
Step 200
200
#D4D6F4
oklch(88.4% 0.041 282.5)
-
Step 300
300
#B9BBF0
oklch(80.9% 0.075 282.9)
-
Step 400
400
#9696E8
oklch(70.6% 0.119 282.9)
-
Step 500
500
#7E7AE1
oklch(63% 0.152 282.9)
-
Step 600
600
#6961CF
oklch(55.7% 0.164 282.9)
-
Step 700
700 (this color)
#574FB3
oklch(49% 0.153 282.8)
-
Step 800
800
#474291
oklch(42.7% 0.126 282.5)
-
Step 900
900
#3B3874
oklch(37.6% 0.1 282.7)
-
Step 950
950
#222144
oklch(26.9% 0.064 282.5)
#574FB3 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) | #0E60B6 | 0.074 |
| Deuteranopia (no green cones) | #0059B1 | 0.076 |
| Tritanopia (no blue cones) | #336679 | 0.132 |
| Achromatopsia (no color) | #5D5D5D | 0.154 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #574FB3
#574FB3
oklch(49% 0.153 282.8)
- #6C6200
#6C6200
oklch(49% 0.103 102.5)
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 #574FB3, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Iris #6258C4 ΔE 0.039
- Bluey Purple #6241C7 ΔE 0.046
- Blue With A Hint Of Purple #533CC6 ΔE 0.053
- Slate Blue #6A5ACD ΔE 0.057
- Blurple #5539CC ΔE 0.061
- Light Indigo #6D5ACF ΔE 0.062
- Blueberry #464196 ΔE 0.064
- Dark Periwinkle #665FD1 ΔE 0.064
Use #574FB3 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.