#524EBB
Closest named color: Iris (#6258C4). oklch(49% 0.167 279.9), rgb(82, 78, 187).
Aa
White text reads best on this color (6.63:1).
About this color
#524EBB is a medium-dark, vivid blue. In OKLCH its lightness is 49%, its chroma 0.167 and its hue 280°. 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 6.63:1.
| Hue family | Blues |
| Lightness | medium-dark (49%) |
| Chroma | vivid (0.167) |
| Temperature | cool |
| Nearest name | Iris (#6258C4) |
| Black text | 3.16:1 |
| White text | 6.63:1 |
Values
| HEX | #524EBB |
| RGB | rgb(82, 78, 187) |
| HSL | hsl(242, 44%, 52%) |
| OKLCH | oklch(49% 0.167 279.9) |
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 #524EBB | 6.63:1 | AA | Lc -87.5 | Fine for body text |
| Black text on #524EBB | 3.16:1 | AA large text | Lc 21.6 | Dividers and decoration only |
| #524EBB text on white | 6.63:1 | AA | Lc 82.4 | Fine for body text |
| #524EBB text on black | 3.16:1 | 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
#F4F5FD
oklch(97.2% 0.011 280.5)
-
Step 100
100
#E6E9FA
oklch(93.7% 0.023 277.9)
-
Step 200
200
#D3D7F7
oklch(88.6% 0.044 279.8)
-
Step 300
300
#B6BBF4
oklch(80.8% 0.081 280.5)
-
Step 400
400
#9196EF
oklch(70.6% 0.129 280.1)
-
Step 500
500
#787AEA
oklch(63.1% 0.165 279.8)
-
Step 600
600
#6360D8
oklch(55.6% 0.179 280)
-
Step 700
700 (this color)
#524EBB
oklch(49% 0.167 279.9)
-
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
#212147
oklch(27% 0.069 280.7)
#524EBB 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) | #0061BF | 0.072 |
| Deuteranopia (no green cones) | #0058B9 | 0.068 |
| Tritanopia (no blue cones) | #1B687D | 0.144 |
| Achromatopsia (no color) | #5D5D5D | 0.167 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #524EBB
#524EBB
oklch(49% 0.167 279.9)
- #6E6100
#6E6100
oklch(49% 0.102 100.2)
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 #524EBB, 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 0.040
- Blue With A Hint Of Purple #533CC6 ΔE 0.042
- Blurple #5539CC ΔE 0.050
- Warm Blue #4B57DB ΔE 0.053
- Slate Blue #6A5ACD ΔE 0.056
- Light Indigo #6D5ACF ΔE 0.061
- Dark Periwinkle #665FD1 ΔE 0.062
Use #524EBB 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.