#613BCF
Closest named color: Bluey Purple (#6241C7). oklch(49% 0.213 287.5), rgb(97, 59, 207).
Aa
White text reads best on this color (6.91:1).
About this color
#613BCF is a medium-dark, vivid purple. In OKLCH its lightness is 49%, its chroma 0.213 and its hue 288°. Its hue sits on the cool side of the wheel. The nearest named color is Bluey Purple (#6241C7), ΔE 0.017 away. White text reads best on it, at 6.91:1.
| Hue family | Purples |
| Lightness | medium-dark (49%) |
| Chroma | vivid (0.213) |
| Temperature | cool |
| Nearest name | Bluey Purple (#6241C7) |
| Black text | 3.03:1 |
| White text | 6.91:1 |
Values
| HEX | #613BCF |
| RGB | rgb(97, 59, 207) |
| HSL | hsl(255, 61%, 52%) |
| OKLCH | oklch(49% 0.213 287.5) |
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 #613BCF | 6.91:1 | AA | Lc -88.2 | Fine for body text |
| Black text on #613BCF | 3.03:1 | AA large text | Lc 20.9 | Dividers and decoration only |
| #613BCF text on white | 6.91:1 | AA | Lc 83.1 | Fine for body text |
| #613BCF text on black | 3.03:1 | AA large text | Lc -18.8 | 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
#F5F4FF
oklch(97.1% 0.015 290.3)
-
Step 100
100
#E8E7FD
oklch(93.5% 0.03 287.9)
-
Step 200
200
#D6D4FE
oklch(88.5% 0.058 287.3)
-
Step 300
300
#BCB7FF
oklch(80.9% 0.101 287.1)
-
Step 400
400
#9C8DFF
oklch(70.6% 0.163 287.5)
-
Step 500
500
#876BFF
oklch(63.1% 0.211 287.5)
-
Step 600
600
#734CEE
oklch(55.5% 0.229 287.5)
-
Step 700
700 (this color)
#613BCF
oklch(49% 0.213 287.5)
-
Step 800
800
#4F33A8
oklch(42.8% 0.177 287.4)
-
Step 900
900
#412F85
oklch(37.8% 0.137 287.6)
-
Step 950
950
#251C4E
oklch(26.9% 0.088 287.2)
#613BCF 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) | #005DD3 | 0.104 |
| Deuteranopia (no green cones) | #0056CC | 0.100 |
| Tritanopia (no blue cones) | #356281 | 0.173 |
| Achromatopsia (no color) | #5A5A5A | 0.214 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #613BCF
#613BCF
oklch(49% 0.213 287.5)
- #676400
#676400
oklch(49% 0.105 107.7)
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 #613BCF, closest first.
No curated palette has a color within ΔE 0.04 of #613BCF.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Bluey Purple #6241C7 ΔE 0.017
- Blurple #5539CC ΔE 0.022
- Blue With A Hint Of Purple #533CC6 ΔE 0.027
- Burple #6832E3 ΔE 0.034
- Purpley Blue #5F34E7 ΔE 0.038
- Purple Blue #5D21D0 ΔE 0.039
- Purply Blue #661AEE ΔE 0.058
- Majorelle Blue #3F37C9 ΔE 0.058
Use #613BCF 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.