#524FDA
Closest named color: Warm Blue (#4B57DB). oklch(51.7% 0.206 277.3), rgb(82, 79, 218).
Aa
White text reads best on this color (6.01:1).
About this color
#524FDA is a medium-dark, vivid blue. In OKLCH its lightness is 52%, its chroma 0.206 and its hue 277°. Its hue sits on the cool side of the wheel. The nearest named color is Warm Blue (#4B57DB), ΔE 0.018 away. White text reads best on it, at 6.01:1.
| Hue family | Blues |
| Lightness | medium-dark (52%) |
| Chroma | vivid (0.206) |
| Temperature | cool |
| Nearest name | Warm Blue (#4B57DB) |
| Black text | 3.48:1 |
| White text | 6.01:1 |
Values
| HEX | #524FDA |
| RGB | rgb(82, 79, 218) |
| HSL | hsl(241, 65%, 58%) |
| OKLCH | oklch(51.7% 0.206 277.3) |
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 #524FDA | 6.01:1 | AA | Lc -84.7 | Fine for body text |
| Black text on #524FDA | 3.48:1 | AA large text | Lc 24.6 | Dividers and decoration only |
| #524FDA text on white | 6.01:1 | AA | Lc 79.5 | Fine for body text |
| #524FDA text on black | 3.48:1 | AA large text | Lc -22.3 | 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
#E5E9FE
oklch(93.7% 0.029 277.2)
-
Step 200
200
#CFD6FE
oklch(88.4% 0.056 277.4)
-
Step 300
300
#B1BBFF
oklch(80.9% 0.097 277.5)
-
Step 400
400
#8A95FF
oklch(70.7% 0.154 277.2)
-
Step 500
500
#7075FF
oklch(63.1% 0.201 277.4)
-
Step 600
600
#5B58F0
oklch(55.6% 0.221 277.3)
-
Step 700
700 (this color)
#524FDA
oklch(51.7% 0.206 277.3)
-
Step 800
800
#3E3BA9
oklch(42.7% 0.171 277.6)
-
Step 900
900
#333586
oklch(37.8% 0.133 276.9)
-
Step 950
950
#1E204E
oklch(27.1% 0.083 277.4)
#524FDA 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) | #0069DE | 0.074 |
| Deuteranopia (no green cones) | #005DD7 | 0.064 |
| Tritanopia (no blue cones) | #00728D | 0.171 |
| Achromatopsia (no color) | #636363 | 0.207 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #524FDA
#524FDA
oklch(51.7% 0.206 277.3)
- #796700
#796700
oklch(51.6% 0.106 97.1)
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 #524FDA, closest first.
No curated palette has a color within ΔE 0.04 of #524FDA.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Warm Blue #4B57DB ΔE 0.018
- Bluey Purple #6241C7 ΔE 0.046
- Iris #6258C4 ΔE 0.048
- Blurple #5539CC ΔE 0.049
- Blue With A Hint Of Purple #533CC6 ΔE 0.050
- Neon Blue #4361EE ΔE 0.050
- Purpley Blue #5F34E7 ΔE 0.051
- Slate Blue #6A5ACD ΔE 0.051
Use #524FDA 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.