#4543DD
Closest named color: Blurple (#5539CC). oklch(49.2% 0.226 274.8), rgb(69, 67, 221).
Aa
White text reads best on this color (6.77:1).
About this color
#4543DD is a medium-dark, vivid blue. In OKLCH its lightness is 49%, its chroma 0.226 and its hue 275°. Its hue sits on the cool side of the wheel. The nearest named color is Blurple (#5539CC), ΔE 0.040 away. White text reads best on it, at 6.77:1.
| Hue family | Blues |
| Lightness | medium-dark (49%) |
| Chroma | vivid (0.226) |
| Temperature | cool |
| Nearest name | Blurple (#5539CC) |
| Black text | 3.09:1 |
| White text | 6.77:1 |
Values
| HEX | #4543DD |
| RGB | rgb(69, 67, 221) |
| HSL | hsl(241, 69%, 56%) |
| OKLCH | oklch(49.2% 0.226 274.8) |
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 #4543DD | 6.77:1 | AA | Lc -87.6 | Fine for body text |
| Black text on #4543DD | 3.09:1 | AA large text | Lc 21.5 | Dividers and decoration only |
| #4543DD text on white | 6.77:1 | AA | Lc 82.5 | Fine for body text |
| #4543DD text on black | 3.09:1 | 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
#F2F5FF
oklch(97.1% 0.014 272.7)
-
Step 100
100
#E3E9FF
oklch(93.6% 0.03 273.6)
-
Step 200
200
#CED7FF
oklch(88.5% 0.056 275.2)
-
Step 300
300
#AEBCFF
oklch(80.9% 0.096 274.9)
-
Step 400
400
#8596FF
oklch(70.6% 0.154 274.8)
-
Step 500
500
#6A77FF
oklch(63% 0.2 275)
-
Step 600
600
#5354FD
oklch(55.6% 0.243 274.8)
-
Step 700
700 (this color)
#4543DD
oklch(49.2% 0.226 274.8)
-
Step 800
800
#3839B2
oklch(42.8% 0.186 274.8)
-
Step 900
900
#2F338D
oklch(37.7% 0.146 275)
-
Step 950
950
#1B1F52
oklch(27% 0.092 275)
#4543DD 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) | #0062E2 | 0.072 |
| Deuteranopia (no green cones) | #0054DA | 0.054 |
| Tritanopia (no blue cones) | #006D8B | 0.180 |
| Achromatopsia (no color) | #5B5B5B | 0.227 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4543DD
#4543DD
oklch(49.2% 0.226 274.8)
- #735F00
#735F00
oklch(49.1% 0.101 94.6)
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 #4543DD, closest first.
No curated palette has a color within ΔE 0.04 of #4543DD.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blurple #5539CC ΔE 0.040
- Majorelle Blue #3F37C9 ΔE 0.042
- Warm Blue #4B57DB ΔE 0.044
- Blue With A Hint Of Purple #533CC6 ΔE 0.044
- Purpley Blue #5F34E7 ΔE 0.045
- Blue Blue #2242C7 ΔE 0.054
- Bluey Purple #6241C7 ΔE 0.057
- Burple #6832E3 ΔE 0.058
Use #4543DD 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.