#673BC8
Closest named color: Bluey Purple (#6241C7). oklch(49% 0.205 291.2), rgb(103, 59, 200).
Aa
White text reads best on this color (6.91:1).
About this color
#673BC8 is a medium-dark, vivid purple. In OKLCH its lightness is 49%, its chroma 0.205 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 0.013 away. White text reads best on it, at 6.91:1.
| Hue family | Purples |
| Lightness | medium-dark (49%) |
| Chroma | vivid (0.205) |
| Temperature | in between |
| Nearest name | Bluey Purple (#6241C7) |
| Black text | 3.03:1 |
| White text | 6.91:1 |
Values
| HEX | #673BC8 |
| RGB | rgb(103, 59, 200) |
| HSL | hsl(259, 56%, 51%) |
| OKLCH | oklch(49% 0.205 291.2) |
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 #673BC8 | 6.91:1 | AA | Lc -88.2 | Fine for body text |
| Black text on #673BC8 | 3.03:1 | AA large text | Lc 20.8 | Dividers and decoration only |
| #673BC8 text on white | 6.91:1 | AA | Lc 83.2 | Fine for body text |
| #673BC8 text on black | 3.03:1 | AA large text | Lc -18.7 | 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
#D9D3FC
oklch(88.5% 0.056 291.9)
-
Step 300
300
#C1B6FC
oklch(81% 0.098 291.2)
-
Step 400
400
#A38CFB
oklch(70.8% 0.159 291.3)
-
Step 500
500
#8E6AF8
oklch(63.1% 0.203 291.1)
-
Step 600
600
#7A4CE7
oklch(55.6% 0.221 291.1)
-
Step 700
700 (this color)
#673BC8
oklch(49% 0.205 291.2)
-
Step 800
800
#5433A2
oklch(42.8% 0.169 291.2)
-
Step 900
900
#452E81
oklch(37.7% 0.133 291.5)
-
Step 950
950
#281C4B
oklch(27% 0.084 291.6)
#673BC8 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) | #005CCC | 0.113 |
| Deuteranopia (no green cones) | #0057C5 | 0.111 |
| Tritanopia (no blue cones) | #475F7D | 0.163 |
| Achromatopsia (no color) | #5A5A5A | 0.206 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #673BC8
#673BC8
oklch(49% 0.205 291.2)
- #636500
#636500
oklch(48.9% 0.107 111.1)
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 #673BC8, closest first.
No curated palette has a color within ΔE 0.04 of #673BC8.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Bluey Purple #6241C7 ΔE 0.013
- Blurple #5539CC ΔE 0.033
- Blue With A Hint Of Purple #533CC6 ΔE 0.035
- Burple #6832E3 ΔE 0.043
- Purple Blue #5D21D0 ΔE 0.045
- Purpley Blue #5F34E7 ΔE 0.052
- Iris #6258C4 ΔE 0.061
- Slate Blue #6A5ACD ΔE 0.066
Use #673BC8 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.