#504AC7
Closest named color: Blue With A Hint Of Purple (#533CC6). oklch(49.1% 0.188 279.1), rgb(80, 74, 199).
Aa
White text reads best on this color (6.67:1).
About this color
#504AC7 is a medium-dark, vivid blue. In OKLCH its lightness is 49%, its chroma 0.188 and its hue 279°. Its hue sits on the cool side of the wheel. The nearest named color is Blue With A Hint Of Purple (#533CC6), ΔE 0.028 away. White text reads best on it, at 6.67:1.
| Hue family | Blues |
| Lightness | medium-dark (49%) |
| Chroma | vivid (0.188) |
| Temperature | cool |
| Nearest name | Blue With A Hint Of Purple (#533CC6) |
| Black text | 3.14:1 |
| White text | 6.67:1 |
Values
| HEX | #504AC7 |
| RGB | rgb(80, 74, 199) |
| HSL | hsl(243, 53%, 54%) |
| OKLCH | oklch(49.1% 0.188 279.1) |
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 #504AC7 | 6.67:1 | AA | Lc -87.5 | Fine for body text |
| Black text on #504AC7 | 3.14:1 | AA large text | Lc 21.6 | Dividers and decoration only |
| #504AC7 text on white | 6.67:1 | AA | Lc 82.5 | Fine for body text |
| #504AC7 text on black | 3.14:1 | AA large text | Lc -19.4 | 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
#E6E8FC
oklch(93.5% 0.027 281.3)
-
Step 200
200
#D1D6FB
oklch(88.4% 0.051 279.2)
-
Step 300
300
#B4BBFB
oklch(80.9% 0.091 279.3)
-
Step 400
400
#8E95F9
oklch(70.7% 0.145 279)
-
Step 500
500
#7577F6
oklch(63.1% 0.185 279)
-
Step 600
600
#605BE5
oklch(55.5% 0.203 279.1)
-
Step 700
700 (this color)
#504AC7
oklch(49.1% 0.188 279.1)
-
Step 800
800
#413EA1
oklch(42.8% 0.155 278.9)
-
Step 900
900
#363680
oklch(37.7% 0.122 278.8)
-
Step 950
950
#1F204B
oklch(26.9% 0.078 278.8)
#504AC7 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) | #0061CB | 0.073 |
| Deuteranopia (no green cones) | #0057C5 | 0.066 |
| Tritanopia (no blue cones) | #006981 | 0.160 |
| Achromatopsia (no color) | #5C5C5C | 0.189 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #504AC7
#504AC7
oklch(49.1% 0.188 279.1)
- #6F6100
#6F6100
oklch(49.1% 0.102 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 #504AC7, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blue With A Hint Of Purple #533CC6 ΔE 0.028
- Bluey Purple #6241C7 ΔE 0.032
- Blurple #5539CC ΔE 0.034
- Warm Blue #4B57DB ΔE 0.042
- Iris #6258C4 ΔE 0.046
- Majorelle Blue #3F37C9 ΔE 0.049
- Slate Blue #6A5ACD ΔE 0.059
- Blue Blue #2242C7 ΔE 0.062
Use #504AC7 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.