#674BCA
Closest named color: Bluey Purple (#6241C7). oklch(51.4% 0.188 288.1), rgb(103, 75, 202).
Aa
White text reads best on this color (6.11:1).
About this color
#674BCA is a medium-dark, vivid purple. In OKLCH its lightness is 51%, its chroma 0.188 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 6.11:1.
| Hue family | Purples |
| Lightness | medium-dark (51%) |
| Chroma | vivid (0.188) |
| Temperature | cool |
| Nearest name | Bluey Purple (#6241C7) |
| Black text | 3.43:1 |
| White text | 6.11:1 |
Values
| HEX | #674BCA |
| RGB | rgb(103, 75, 202) |
| HSL | hsl(253, 55%, 54%) |
| OKLCH | oklch(51.4% 0.188 288.1) |
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 #674BCA | 6.11:1 | AA | Lc -85.2 | Fine for body text |
| Black text on #674BCA | 3.43:1 | AA large text | Lc 24.0 | Dividers and decoration only |
| #674BCA text on white | 6.11:1 | AA | Lc 80.0 | Fine for body text |
| #674BCA text on black | 3.43:1 | AA large text | Lc -21.8 | 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
#F5F4FD
oklch(97% 0.012 291.3)
-
Step 100
100
#E8E7FB
oklch(93.5% 0.027 288.2)
-
Step 200
200
#D7D5F9
oklch(88.6% 0.049 287.9)
-
Step 300
300
#BDB8F8
oklch(80.9% 0.09 287.8)
-
Step 400
400
#9D90F5
oklch(70.7% 0.145 288)
-
Step 500
500
#8770F1
oklch(63% 0.186 288)
-
Step 600
600
#7354E0
oklch(55.6% 0.203 288.1)
-
Step 700
700 (this color)
#674BCA
oklch(51.4% 0.188 288.1)
-
Step 800
800
#4F399D
oklch(42.8% 0.155 288.2)
-
Step 900
900
#41327D
oklch(37.7% 0.122 288.3)
-
Step 950
950
#261E49
oklch(27% 0.077 288.7)
#674BCA 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) | #0065CE | 0.101 |
| Deuteranopia (no green cones) | #005FC7 | 0.099 |
| Tritanopia (no blue cones) | #456983 | 0.154 |
| Achromatopsia (no color) | #626262 | 0.188 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #674BCA
#674BCA
oklch(51.4% 0.188 288.1)
- #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 #674BCA, 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 0.031
- Slate Blue #6A5ACD ΔE 0.035
- Light Indigo #6D5ACF ΔE 0.037
- Dark Periwinkle #665FD1 ΔE 0.046
- Blue With A Hint Of Purple #533CC6 ΔE 0.049
- Blurple #5539CC ΔE 0.050
- Warm Blue #4B57DB ΔE 0.052
Use #674BCA 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.