#673BCA
Closest named color: Bluey Purple (#6241C7). oklch(49.1% 0.207 290.9), rgb(103, 59, 202).
Aa
White text reads best on this color (6.87:1).
About this color
#673BCA is a medium-dark, vivid purple. In OKLCH its lightness is 49%, its chroma 0.207 and its hue 291°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Bluey Purple (#6241C7), ΔE 0.014 away. White text reads best on it, at 6.87:1.
| Hue family | Purples |
| Lightness | medium-dark (49%) |
| Chroma | vivid (0.207) |
| Temperature | in between |
| Nearest name | Bluey Purple (#6241C7) |
| Black text | 3.05:1 |
| White text | 6.87:1 |
Values
| HEX | #673BCA |
| RGB | rgb(103, 59, 202) |
| HSL | hsl(258, 57%, 51%) |
| OKLCH | oklch(49.1% 0.207 290.9) |
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 #673BCA | 6.87:1 | AA | Lc -88.0 | Fine for body text |
| Black text on #673BCA | 3.05:1 | AA large text | Lc 21.0 | Dividers and decoration only |
| #673BCA text on white | 6.87:1 | AA | Lc 83.0 | Fine for body text |
| #673BCA text on black | 3.05:1 | AA large text | Lc -18.9 | 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
#F5F4FE
oklch(97.1% 0.013 290.8)
-
Step 100
100
#E9E7FC
oklch(93.6% 0.028 290.2)
-
Step 200
200
#D8D3FC
oklch(88.4% 0.056 290.8)
-
Step 300
300
#C0B5FD
oklch(80.8% 0.101 291)
-
Step 400
400
#A28CFC
oklch(70.8% 0.16 290.8)
-
Step 500
500
#8E6AF9
oklch(63.1% 0.204 291)
-
Step 600
600
#7A4CE8
oklch(55.7% 0.222 291)
-
Step 700
700 (this color)
#673BCA
oklch(49.1% 0.207 290.9)
-
Step 800
800
#5432A3
oklch(42.7% 0.171 291.2)
-
Step 900
900
#442E81
oklch(37.6% 0.133 290.8)
-
Step 950
950
#281C4C
oklch(27% 0.085 291.2)
#673BCA 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) | #005DCE | 0.113 |
| Deuteranopia (no green cones) | #0057C7 | 0.110 |
| Tritanopia (no blue cones) | #46607E | 0.166 |
| Achromatopsia (no color) | #5A5A5A | 0.208 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #673BCA
#673BCA
oklch(49.1% 0.207 290.9)
- #646600
#646600
oklch(49.2% 0.108 111.1)
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 #673BCA, closest first.
No curated palette has a color within ΔE 0.04 of #673BCA.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Bluey Purple #6241C7 ΔE 0.014
- Blurple #5539CC ΔE 0.033
- Blue With A Hint Of Purple #533CC6 ΔE 0.035
- Burple #6832E3 ΔE 0.040
- Purple Blue #5D21D0 ΔE 0.045
- Purpley Blue #5F34E7 ΔE 0.049
- Iris #6258C4 ΔE 0.062
- Purply Blue #661AEE ΔE 0.065
Use #673BCA 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.