#674A9C
Closest named color: Rebecca Purple (#663399). oklch(48% 0.129 297.7), rgb(103, 74, 156).
Aa
White text reads best on this color (6.91:1).
About this color
#674A9C is a medium-dark, moderately saturated purple. In OKLCH its lightness is 48%, its chroma 0.129 and its hue 298°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rebecca Purple (#663399), ΔE 0.052 away. White text reads best on it, at 6.91:1.
| Hue family | Purples |
| Lightness | medium-dark (48%) |
| Chroma | moderately saturated (0.129) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 3.03:1 |
| White text | 6.91:1 |
Values
| HEX | #674A9C |
| RGB | rgb(103, 74, 156) |
| HSL | hsl(261, 36%, 45%) |
| OKLCH | oklch(48% 0.129 297.7) |
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 #674A9C | 6.91:1 | AA | Lc -88.7 | Fine for body text |
| Black text on #674A9C | 3.03:1 | AA large text | Lc 20.3 | Dividers and decoration only |
| #674A9C text on white | 6.91:1 | AA | Lc 83.7 | Fine for body text |
| #674A9C text on black | 3.03:1 | AA large text | Lc -18.3 | 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
#F6F4FA
oklch(97% 0.008 301.4)
-
Step 100
100
#EBE8F5
oklch(93.7% 0.018 296.6)
-
Step 200
200
#DBD5EE
oklch(88.5% 0.035 296.7)
-
Step 300
300
#C5B9E5
oklch(81% 0.063 297.5)
-
Step 400
400
#A893D7
oklch(70.7% 0.1 298)
-
Step 500
500
#9377CC
oklch(63.1% 0.127 297.8)
-
Step 600
600
#7E5EB9
oklch(55.6% 0.139 298)
-
Step 700
700 (this color)
#674A9C
oklch(48% 0.129 297.7)
-
Step 800
800
#564081
oklch(42.7% 0.106 297.3)
-
Step 900
900
#473768
oklch(37.8% 0.083 297.3)
-
Step 950
950
#2A203D
oklch(27% 0.054 298.6)
#674A9C 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) | #2B5A9F | 0.086 |
| Deuteranopia (no green cones) | #33599A | 0.080 |
| Tritanopia (no blue cones) | #5B5A6C | 0.101 |
| Achromatopsia (no color) | #5A5A5A | 0.130 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #674A9C
#674A9C
oklch(48% 0.129 297.7)
- #596500
#596500
oklch(48% 0.111 117.5)
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 #674A9C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.052
- Twilight #4E518B ΔE 0.053
- Blueberry #464196 ΔE 0.063
- Dusk #4E5481 ΔE 0.068
- Iris #6258C4 ΔE 0.068
- Dark Slate Blue #483D8B ΔE 0.070
- Light Eggplant #894585 ΔE 0.072
- Dusky Blue #475F94 ΔE 0.073
Use #674A9C 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.