#674378
Closest named color: Twilight (#4E518B). oklch(44.6% 0.094 314.3), rgb(103, 67, 120).
Aa
White text reads best on this color (7.92:1).
About this color
#674378 is a dark, moderately saturated purple. In OKLCH its lightness is 45%, its chroma 0.094 and its hue 314°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Twilight (#4E518B), ΔE 0.057 away. White text reads best on it, at 7.92:1.
| Hue family | Purples |
| Lightness | dark (45%) |
| Chroma | moderately saturated (0.094) |
| Temperature | in between |
| Nearest name | Twilight (#4E518B) |
| Black text | 2.65:1 |
| White text | 7.92:1 |
Values
| HEX | #674378 |
| RGB | rgb(103, 67, 120) |
| HSL | hsl(281, 28%, 37%) |
| OKLCH | oklch(44.6% 0.094 314.3) |
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 #674378 | 7.92:1 | AAA | Lc -92.0 | Preferred for body text |
| Black text on #674378 | 2.65:1 | Fails | Lc 16.7 | Dividers and decoration only |
| #674378 text on white | 7.92:1 | AAA | Lc 87.3 | Fine for body text |
| #674378 text on black | 2.65:1 | Fails | Lc -14.8 | Not readable |
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 800.
-
Step 50
50
#F7F4F9
oklch(97.1% 0.007 312.3)
-
Step 100
100
#EEE7F1
oklch(93.6% 0.015 316)
-
Step 200
200
#E1D4E7
oklch(88.6% 0.029 315.3)
-
Step 300
300
#CEB7DA
oklch(81% 0.054 314.1)
-
Step 400
400
#B590C7
oklch(70.7% 0.088 314.5)
-
Step 500
500
#A274B9
oklch(63.1% 0.112 313.9)
-
Step 600
600
#8D5CA4
oklch(55.6% 0.12 314.3)
-
Step 700
700
#784B8D
oklch(49.1% 0.113 314.3)
-
Step 800
800 (this color)
#674378
oklch(44.6% 0.094 314.3)
-
Step 900
900
#50355C
oklch(37.7% 0.073 314.9)
-
Step 950
950
#2F1F36
oklch(27% 0.047 315.2)
#674378 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) | #394F7A | 0.077 |
| Deuteranopia (no green cones) | #435276 | 0.069 |
| Tritanopia (no blue cones) | #664A58 | 0.062 |
| Achromatopsia (no color) | #515151 | 0.094 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #674378
#674378
oklch(44.6% 0.094 314.3)
- #3D5F26
#3D5F26
oklch(44.5% 0.094 134.4)
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 #674378, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight #4E518B ΔE 0.057
- Dusk #4E5481 ΔE 0.058
- Dusty Grape #545775 ΔE 0.063
- Light Eggplant #894585 ΔE 0.068
- Dark Slate Blue #483D8B ΔE 0.069
- Rebecca Purple #663399 ΔE 0.071
- Brownish Purple #76424E ΔE 0.075
- Blueberry #464196 ΔE 0.077
Use #674378 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.