#524FCD
Closest named color: Warm Blue (#4B57DB). oklch(50.6% 0.189 278.3), rgb(82, 79, 205).
Aa
White text reads best on this color (6.25:1).
About this color
#524FCD is a medium-dark, vivid blue. In OKLCH its lightness is 51%, its chroma 0.189 and its hue 278°. Its hue sits on the cool side of the wheel. The nearest named color is Warm Blue (#4B57DB), ΔE 0.028 away. White text reads best on it, at 6.25:1.
| Hue family | Blues |
| Lightness | medium-dark (51%) |
| Chroma | vivid (0.189) |
| Temperature | cool |
| Nearest name | Warm Blue (#4B57DB) |
| Black text | 3.35:1 |
| White text | 6.25:1 |
Values
| HEX | #524FCD |
| RGB | rgb(82, 79, 205) |
| HSL | hsl(241, 56%, 56%) |
| OKLCH | oklch(50.6% 0.189 278.3) |
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 #524FCD | 6.25:1 | AA | Lc -85.8 | Fine for body text |
| Black text on #524FCD | 3.35:1 | AA large text | Lc 23.4 | Dividers and decoration only |
| #524FCD text on white | 6.25:1 | AA | Lc 80.7 | Fine for body text |
| #524FCD text on black | 3.35:1 | AA large text | Lc -21.2 | 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
#F3F5FE
oklch(97.1% 0.012 276.1)
-
Step 100
100
#E5E9FC
oklch(93.7% 0.026 276.4)
-
Step 200
200
#D1D7FB
oklch(88.6% 0.05 277.9)
-
Step 300
300
#B3BBFC
oklch(80.9% 0.092 278.7)
-
Step 400
400
#8D95FA
oklch(70.7% 0.147 278.5)
-
Step 500
500
#7377F7
oklch(63.1% 0.187 278.2)
-
Step 600
600
#5E5CE6
oklch(55.6% 0.203 278.1)
-
Step 700
700 (this color)
#524FCD
oklch(50.6% 0.189 278.3)
-
Step 800
800
#403EA2
oklch(42.8% 0.157 278.3)
-
Step 900
900
#353680
oklch(37.6% 0.122 278.2)
-
Step 950
950
#1F204B
oklch(26.9% 0.078 278.8)
#524FCD 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) | #0066D1 | 0.073 |
| Deuteranopia (no green cones) | #005BCA | 0.066 |
| Tritanopia (no blue cones) | #006E86 | 0.162 |
| Achromatopsia (no color) | #606060 | 0.190 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #524FCD
#524FCD
oklch(50.6% 0.189 278.3)
- #756500
#756500
oklch(50.7% 0.105 98.3)
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 #524FCD, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Warm Blue #4B57DB ΔE 0.028
- Bluey Purple #6241C7 ΔE 0.037
- Iris #6258C4 ΔE 0.037
- Blue With A Hint Of Purple #533CC6 ΔE 0.041
- Blurple #5539CC ΔE 0.044
- Slate Blue #6A5ACD ΔE 0.047
- Dark Periwinkle #665FD1 ΔE 0.051
- Light Indigo #6D5ACF ΔE 0.052
Use #524FCD 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.