#4545DA
Closest named color: Blurple (#5539CC). oklch(49.2% 0.22 274.7), rgb(69, 69, 218).
Aa
White text reads best on this color (6.73:1).
About this color
#4545DA is a medium-dark, vivid blue. In OKLCH its lightness is 49%, its chroma 0.220 and its hue 275°. Its hue sits on the cool side of the wheel. The nearest named color is Blurple (#5539CC), ΔE 0.038 away. White text reads best on it, at 6.73:1.
| Hue family | Blues |
| Lightness | medium-dark (49%) |
| Chroma | vivid (0.220) |
| Temperature | cool |
| Nearest name | Blurple (#5539CC) |
| Black text | 3.11:1 |
| White text | 6.73:1 |
Values
| HEX | #4545DA |
| RGB | rgb(69, 69, 218) |
| HSL | hsl(240, 67%, 56%) |
| OKLCH | oklch(49.2% 0.22 274.7) |
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 #4545DA | 6.73:1 | AA | Lc -87.5 | Fine for body text |
| Black text on #4545DA | 3.11:1 | AA large text | Lc 21.6 | Dividers and decoration only |
| #4545DA text on white | 6.73:1 | AA | Lc 82.4 | Fine for body text |
| #4545DA text on black | 3.11:1 | 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
#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
#6A78FF
oklch(63.2% 0.198 274.8)
-
Step 600
600
#5356F9
oklch(55.5% 0.236 274.7)
-
Step 700
700 (this color)
#4545DA
oklch(49.2% 0.22 274.7)
-
Step 800
800
#383AB0
oklch(42.8% 0.182 274.8)
-
Step 900
900
#2F348B
oklch(37.7% 0.142 274.8)
-
Step 950
950
#1B1F51
oklch(26.9% 0.09 275.1)
#4545DA 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) | #0062DF | 0.070 |
| Deuteranopia (no green cones) | #0055D7 | 0.053 |
| Tritanopia (no blue cones) | #006D8A | 0.176 |
| Achromatopsia (no color) | #5C5C5C | 0.221 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4545DA
#4545DA
oklch(49.2% 0.22 274.7)
- #736000
#736000
oklch(49.3% 0.101 95.5)
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 #4545DA, closest first.
No curated palette has a color within ΔE 0.04 of #4545DA.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blurple #5539CC ΔE 0.038
- Warm Blue #4B57DB ΔE 0.040
- Blue With A Hint Of Purple #533CC6 ΔE 0.041
- Majorelle Blue #3F37C9 ΔE 0.041
- Purpley Blue #5F34E7 ΔE 0.048
- Blue Blue #2242C7 ΔE 0.052
- Bluey Purple #6241C7 ΔE 0.054
- Burple #6832E3 ΔE 0.060
Use #4545DA 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.