#674BCB
Closest named color: Bluey Purple (#6241C7). oklch(51.5% 0.189 287.9), rgb(103, 75, 203).
Aa
White text reads best on this color (6.09:1).
About this color
#674BCB is a medium-dark, vivid purple. In OKLCH its lightness is 51%, its chroma 0.189 and its hue 288°. Its hue sits on the cool side of the wheel. The nearest named color is Bluey Purple (#6241C7), ΔE 0.024 away. White text reads best on it, at 6.09:1.
| Hue family | Purples |
| Lightness | medium-dark (51%) |
| Chroma | vivid (0.189) |
| Temperature | cool |
| Nearest name | Bluey Purple (#6241C7) |
| Black text | 3.44:1 |
| White text | 6.09:1 |
Values
| HEX | #674BCB |
| RGB | rgb(103, 75, 203) |
| HSL | hsl(253, 55%, 55%) |
| OKLCH | oklch(51.5% 0.189 287.9) |
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 #674BCB | 6.09:1 | AA | Lc -85.1 | Fine for body text |
| Black text on #674BCB | 3.44:1 | AA large text | Lc 24.1 | Dividers and decoration only |
| #674BCB text on white | 6.09:1 | AA | Lc 80.0 | Fine for body text |
| #674BCB text on black | 3.44:1 | AA large text | Lc -21.9 | 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
#F5F4FD
oklch(97% 0.012 291.3)
-
Step 100
100
#E8E8FB
oklch(93.7% 0.026 285.9)
-
Step 200
200
#D7D5FA
oklch(88.6% 0.051 287.8)
-
Step 300
300
#BDB8F9
oklch(81% 0.091 287.7)
-
Step 400
400
#9D90F6
oklch(70.7% 0.146 287.9)
-
Step 500
500
#8770F2
oklch(63% 0.187 287.9)
-
Step 600
600
#7354E0
oklch(55.6% 0.203 288.1)
-
Step 700
700 (this color)
#674BCB
oklch(51.5% 0.189 287.9)
-
Step 800
800
#4F399E
oklch(42.9% 0.156 288)
-
Step 900
900
#41327D
oklch(37.7% 0.122 288.3)
-
Step 950
950
#261E49
oklch(27% 0.077 288.7)
#674BCB 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) | #0065CF | 0.101 |
| Deuteranopia (no green cones) | #005FC8 | 0.099 |
| Tritanopia (no blue cones) | #446A84 | 0.156 |
| Achromatopsia (no color) | #626262 | 0.190 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #674BCB
#674BCB
oklch(51.5% 0.189 287.9)
- #6E6B00
#6E6B00
oklch(51.4% 0.111 107.8)
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 #674BCB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Bluey Purple #6241C7 ΔE 0.024
- Iris #6258C4 ΔE 0.032
- Slate Blue #6A5ACD ΔE 0.035
- Light Indigo #6D5ACF ΔE 0.036
- Dark Periwinkle #665FD1 ΔE 0.045
- Blue With A Hint Of Purple #533CC6 ΔE 0.049
- Blurple #5539CC ΔE 0.050
- Warm Blue #4B57DB ΔE 0.052
Use #674BCB 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.