#544ED9
Closest named color: Warm Blue (#4B57DB). oklch(51.6% 0.205 278.3), rgb(84, 78, 217).
Aa
White text reads best on this color (6.05:1).
About this color
#544ED9 is a medium-dark, vivid blue. In OKLCH its lightness is 52%, its chroma 0.205 and its hue 278°. Its hue sits on the cool side of the wheel. The nearest named color is Warm Blue (#4B57DB), ΔE 0.021 away. White text reads best on it, at 6.05:1.
| Hue family | Blues |
| Lightness | medium-dark (52%) |
| Chroma | vivid (0.205) |
| Temperature | cool |
| Nearest name | Warm Blue (#4B57DB) |
| Black text | 3.46:1 |
| White text | 6.05:1 |
Values
| HEX | #544ED9 |
| RGB | rgb(84, 78, 217) |
| HSL | hsl(243, 65%, 58%) |
| OKLCH | oklch(51.6% 0.205 278.3) |
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 #544ED9 | 6.05:1 | AA | Lc -84.9 | Fine for body text |
| Black text on #544ED9 | 3.46:1 | AA large text | Lc 24.4 | Dividers and decoration only |
| #544ED9 text on white | 6.05:1 | AA | Lc 79.7 | Fine for body text |
| #544ED9 text on black | 3.46:1 | AA large text | Lc -22.1 | 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
#F3F5FF
oklch(97.2% 0.013 277.1)
-
Step 100
100
#E5E8FE
oklch(93.5% 0.03 279.6)
-
Step 200
200
#D0D6FE
oklch(88.4% 0.055 278.5)
-
Step 300
300
#B2BBFF
oklch(81% 0.097 278.2)
-
Step 400
400
#8C94FF
oklch(70.7% 0.155 278.4)
-
Step 500
500
#7274FF
oklch(63% 0.202 278.3)
-
Step 600
600
#5E57EF
oklch(55.5% 0.22 278.5)
-
Step 700
700 (this color)
#544ED9
oklch(51.6% 0.205 278.3)
-
Step 800
800
#3F3BA8
oklch(42.7% 0.169 278.1)
-
Step 900
900
#353485
oklch(37.7% 0.132 278.5)
-
Step 950
950
#1E1F4E
oklch(26.9% 0.085 278.1)
#544ED9 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) | #0068DD | 0.076 |
| Deuteranopia (no green cones) | #005DD6 | 0.067 |
| Tritanopia (no blue cones) | #00718C | 0.172 |
| Achromatopsia (no color) | #626262 | 0.206 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #544ED9
#544ED9
oklch(51.6% 0.205 278.3)
- #786800
#786800
oklch(51.7% 0.107 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 #544ED9, closest first.
No curated palette has a color within ΔE 0.04 of #544ED9.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Warm Blue #4B57DB ΔE 0.021
- Bluey Purple #6241C7 ΔE 0.043
- Blurple #5539CC ΔE 0.046
- Iris #6258C4 ΔE 0.047
- Blue With A Hint Of Purple #533CC6 ΔE 0.048
- Purpley Blue #5F34E7 ΔE 0.049
- Slate Blue #6A5ACD ΔE 0.050
- Dark Periwinkle #665FD1 ΔE 0.052
Use #544ED9 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.