#673FBC
Closest named color: Bluey Purple (#6241C7). oklch(48.5% 0.186 292.9), rgb(103, 63, 188).
Aa
White text reads best on this color (6.96:1).
About this color
#673FBC is a medium-dark, vivid purple. In OKLCH its lightness is 49%, its chroma 0.186 and its hue 293°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Bluey Purple (#6241C7), ΔE 0.020 away. White text reads best on it, at 6.96:1.
| Hue family | Purples |
| Lightness | medium-dark (49%) |
| Chroma | vivid (0.186) |
| Temperature | in between |
| Nearest name | Bluey Purple (#6241C7) |
| Black text | 3.01:1 |
| White text | 6.96:1 |
Values
| HEX | #673FBC |
| RGB | rgb(103, 63, 188) |
| HSL | hsl(259, 50%, 49%) |
| OKLCH | oklch(48.5% 0.186 292.9) |
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 #673FBC | 6.96:1 | AA | Lc -88.5 | Fine for body text |
| Black text on #673FBC | 3.01:1 | AA large text | Lc 20.5 | Dividers and decoration only |
| #673FBC text on white | 6.96:1 | AA | Lc 83.6 | Fine for body text |
| #673FBC text on black | 3.01:1 | AA large text | Lc -18.4 | 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
#F5F4FD
oklch(97% 0.012 291.3)
-
Step 100
100
#EAE7FA
oklch(93.6% 0.026 293.1)
-
Step 200
200
#DAD4F8
oklch(88.6% 0.049 293)
-
Step 300
300
#C2B6F6
oklch(80.9% 0.09 292.9)
-
Step 400
400
#A48EF2
oklch(70.7% 0.144 292.4)
-
Step 500
500
#906EED
oklch(63.2% 0.184 292.7)
-
Step 600
600
#7C52DB
oklch(55.7% 0.199 292.9)
-
Step 700
700 (this color)
#673FBC
oklch(48.5% 0.186 292.9)
-
Step 800
800
#55379A
oklch(42.8% 0.154 292.7)
-
Step 900
900
#46317A
oklch(37.8% 0.119 293.1)
-
Step 950
950
#291D48
oklch(27% 0.077 293.4)
#673FBC 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) | #005BC0 | 0.111 |
| Deuteranopia (no green cones) | #0057B9 | 0.110 |
| Tritanopia (no blue cones) | #4E5D78 | 0.147 |
| Achromatopsia (no color) | #595959 | 0.187 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #673FBC
#673FBC
oklch(48.5% 0.186 292.9)
- #606500
#606500
oklch(48.6% 0.108 113.1)
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 #673FBC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Bluey Purple #6241C7 ΔE 0.020
- Blue With A Hint Of Purple #533CC6 ΔE 0.040
- Blurple #5539CC ΔE 0.044
- Iris #6258C4 ΔE 0.056
- Purple Blue #5D21D0 ΔE 0.060
- Rebecca Purple #663399 ΔE 0.061
- Burple #6832E3 ΔE 0.063
- Slate Blue #6A5ACD ΔE 0.064
Use #673FBC 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.