#4245C1
Closest named color: Blue With A Hint Of Purple (#533CC6). oklch(46.8% 0.189 275.2), rgb(66, 69, 193).
Aa
White text reads best on this color (7.36:1).
About this color
#4245C1 is a medium-dark, vivid blue. In OKLCH its lightness is 47%, its chroma 0.189 and its hue 275°. Its hue sits on the cool side of the wheel. The nearest named color is Blue With A Hint Of Purple (#533CC6), ΔE 0.030 away. White text reads best on it, at 7.36:1.
| Hue family | Blues |
| Lightness | medium-dark (47%) |
| Chroma | vivid (0.189) |
| Temperature | cool |
| Nearest name | Blue With A Hint Of Purple (#533CC6) |
| Black text | 2.85:1 |
| White text | 7.36:1 |
Values
| HEX | #4245C1 |
| RGB | rgb(66, 69, 193) |
| HSL | hsl(239, 51%, 51%) |
| OKLCH | oklch(46.8% 0.189 275.2) |
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 #4245C1 | 7.36:1 | AAA | Lc -89.9 | Fine for body text |
| Black text on #4245C1 | 2.85:1 | Fails | Lc 19.0 | Dividers and decoration only |
| #4245C1 text on white | 7.36:1 | AAA | Lc 85.0 | Fine for body text |
| #4245C1 text on black | 2.85:1 | Fails | Lc -17.0 | 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
#E4E9FC
oklch(93.6% 0.026 274.1)
-
Step 200
200
#CFD7FC
oklch(88.5% 0.052 275.7)
-
Step 300
300
#AFBCFC
oklch(80.8% 0.092 275.3)
-
Step 400
400
#8797FB
oklch(70.7% 0.147 275.1)
-
Step 500
500
#6C79F8
oklch(63% 0.188 275.3)
-
Step 600
600
#575EE7
oklch(55.6% 0.204 275.4)
-
Step 700
700 (this color)
#4245C1
oklch(46.8% 0.189 275.2)
-
Step 800
800
#3A40A2
oklch(42.7% 0.156 275)
-
Step 900
900
#313781
oklch(37.6% 0.123 275.3)
-
Step 950
950
#1D214B
oklch(27% 0.077 275.9)
#4245C1 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) | #005CC5 | 0.063 |
| Deuteranopia (no green cones) | #0050BF | 0.051 |
| Tritanopia (no blue cones) | #00657D | 0.155 |
| Achromatopsia (no color) | #565656 | 0.190 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4245C1
#4245C1
oklch(46.8% 0.189 275.2)
- #6B5900
#6B5900
oklch(46.8% 0.096 95.3)
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 #4245C1, 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 0.030
- Majorelle Blue #3F37C9 ΔE 0.031
- Blurple #5539CC ΔE 0.038
- Blue Blue #2242C7 ΔE 0.039
- Bluey Purple #6241C7 ΔE 0.051
- Warm Blue #4B57DB ΔE 0.060
- Sapphire #2138AB ΔE 0.066
- Purple Blue #5D21D0 ΔE 0.069
Use #4245C1 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.