#504DBE
Closest named color: Blue With A Hint Of Purple (#533CC6). oklch(48.9% 0.172 279.1), rgb(80, 77, 190).
Aa
White text reads best on this color (6.67:1).
About this color
#504DBE is a medium-dark, vivid blue. In OKLCH its lightness is 49%, its chroma 0.172 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 0.038 away. White text reads best on it, at 6.67:1.
| Hue family | Blues |
| Lightness | medium-dark (49%) |
| Chroma | vivid (0.172) |
| Temperature | cool |
| Nearest name | Blue With A Hint Of Purple (#533CC6) |
| Black text | 3.14:1 |
| White text | 6.67:1 |
Values
| HEX | #504DBE |
| RGB | rgb(80, 77, 190) |
| HSL | hsl(242, 47%, 52%) |
| OKLCH | oklch(48.9% 0.172 279.1) |
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 #504DBE | 6.67:1 | AA | Lc -87.6 | Fine for body text |
| Black text on #504DBE | 3.14:1 | AA large text | Lc 21.5 | Dividers and decoration only |
| #504DBE text on white | 6.67:1 | AA | Lc 82.6 | Fine for body text |
| #504DBE 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
#F4F5FD
oklch(97.2% 0.011 280.5)
-
Step 100
100
#E6E9FA
oklch(93.7% 0.023 277.9)
-
Step 200
200
#D2D7F8
oklch(88.6% 0.046 278.6)
-
Step 300
300
#B5BCF6
oklch(81% 0.082 279)
-
Step 400
400
#8F96F2
oklch(70.6% 0.134 279.1)
-
Step 500
500
#7679ED
oklch(63% 0.171 279.2)
-
Step 600
600
#615FDC
oklch(55.6% 0.186 279.2)
-
Step 700
700 (this color)
#504DBE
oklch(48.9% 0.172 279.1)
-
Step 800
800
#42409A
oklch(42.6% 0.143 279.4)
-
Step 900
900
#37387B
oklch(37.8% 0.111 279)
-
Step 950
950
#202148
oklch(27% 0.071 279.4)
#504DBE 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) | #0061C2 | 0.071 |
| Deuteranopia (no green cones) | #0058BC | 0.066 |
| Tritanopia (no blue cones) | #0A687E | 0.149 |
| Achromatopsia (no color) | #5C5C5C | 0.173 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #504DBE
#504DBE
oklch(48.9% 0.172 279.1)
- #6F6000
#6F6000
oklch(48.9% 0.101 98.6)
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 #504DBE, 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 0.038
- Bluey Purple #6241C7 ΔE 0.038
- Iris #6258C4 ΔE 0.041
- Blurple #5539CC ΔE 0.046
- Warm Blue #4B57DB ΔE 0.050
- Slate Blue #6A5ACD ΔE 0.058
- Majorelle Blue #3F37C9 ΔE 0.058
- Light Indigo #6D5ACF ΔE 0.063
Use #504DBE 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.