#574FD9
Closest named color: Warm Blue (#4B57DB). oklch(51.9% 0.204 279.2), rgb(87, 79, 217).
Aa
White text reads best on this color (5.95:1).
About this color
#574FD9 is a medium-dark, vivid blue. In OKLCH its lightness is 52%, its chroma 0.204 and its hue 279°. Its hue sits on the cool side of the wheel. The nearest named color is Warm Blue (#4B57DB), ΔE 0.022 away. White text reads best on it, at 5.95:1.
| Hue family | Blues |
| Lightness | medium-dark (52%) |
| Chroma | vivid (0.204) |
| Temperature | cool |
| Nearest name | Warm Blue (#4B57DB) |
| Black text | 3.52:1 |
| White text | 5.95:1 |
Values
| HEX | #574FD9 |
| RGB | rgb(87, 79, 217) |
| HSL | hsl(243, 64%, 58%) |
| OKLCH | oklch(51.9% 0.204 279.2) |
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 #574FD9 | 5.95:1 | AA | Lc -84.5 | Fine for body text |
| Black text on #574FD9 | 3.52:1 | AA large text | Lc 24.8 | Dividers and decoration only |
| #574FD9 text on white | 5.95:1 | AA | Lc 79.2 | Fine for body text |
| #574FD9 text on black | 3.52:1 | AA large text | Lc -22.6 | 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 700.
-
Step 50
50
#F3F5FF
oklch(97.2% 0.013 277.1)
-
Step 100
100
#E5E8FD
oklch(93.5% 0.029 279.4)
-
Step 200
200
#D1D6FE
oklch(88.5% 0.055 279.6)
-
Step 300
300
#B3BAFF
oklch(80.8% 0.098 279.5)
-
Step 400
400
#8D93FF
oklch(70.6% 0.156 279.2)
-
Step 500
500
#7474FF
oklch(63.2% 0.201 278.9)
-
Step 600
600
#6057EE
oklch(55.6% 0.219 279.2)
-
Step 700
700 (this color)
#574FD9
oklch(51.9% 0.204 279.2)
-
Step 800
800
#413AA7
oklch(42.6% 0.169 279.3)
-
Step 900
900
#363485
oklch(37.7% 0.132 279.1)
-
Step 950
950
#1F1F4E
oklch(26.9% 0.084 279.1)
#574FD9 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) | #0069DD | 0.079 |
| Deuteranopia (no green cones) | #005ED6 | 0.071 |
| Tritanopia (no blue cones) | #00728D | 0.172 |
| Achromatopsia (no color) | #646464 | 0.204 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #574FD9
#574FD9
oklch(51.9% 0.204 279.2)
- #786900
#786900
oklch(51.9% 0.108 99.4)
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 #574FD9, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Warm Blue #4B57DB ΔE 0.022
- Bluey Purple #6241C7 ΔE 0.042
- Iris #6258C4 ΔE 0.044
- Slate Blue #6A5ACD ΔE 0.045
- Dark Periwinkle #665FD1 ΔE 0.047
- Light Indigo #6D5ACF ΔE 0.048
- Blurple #5539CC ΔE 0.049
- Blue With A Hint Of Purple #533CC6 ΔE 0.050
Use #574FD9 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.