#674FC9
Closest named color: Iris (#6258C4). oklch(52% 0.181 287.4), rgb(103, 79, 201).
Aa
White text reads best on this color (5.93:1).
About this color
#674FC9 is a medium-dark, vivid purple. In OKLCH its lightness is 52%, its chroma 0.181 and its hue 287°. Its hue sits on the cool side of the wheel. The nearest named color is Iris (#6258C4), ΔE 0.023 away. White text reads best on it, at 5.93:1.
| Hue family | Purples |
| Lightness | medium-dark (52%) |
| Chroma | vivid (0.181) |
| Temperature | cool |
| Nearest name | Iris (#6258C4) |
| Black text | 3.53:1 |
| White text | 5.93:1 |
Values
| HEX | #674FC9 |
| RGB | rgb(103, 79, 201) |
| HSL | hsl(252, 53%, 55%) |
| OKLCH | oklch(52% 0.181 287.4) |
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 #674FC9 | 5.93:1 | AA | Lc -84.5 | Fine for body text |
| Black text on #674FC9 | 3.53:1 | AA large text | Lc 24.8 | Dividers and decoration only |
| #674FC9 text on white | 5.93:1 | AA | Lc 79.3 | Fine for body text |
| #674FC9 text on black | 3.53:1 | AA large text | Lc -22.5 | 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
#E8E8FA
oklch(93.6% 0.024 285.9)
-
Step 200
200
#D6D5F8
oklch(88.5% 0.048 286.7)
-
Step 300
300
#BDB8F7
oklch(80.9% 0.088 287.9)
-
Step 400
400
#9C91F3
oklch(70.7% 0.141 287.4)
-
Step 500
500
#8672EE
oklch(63% 0.18 287.5)
-
Step 600
600
#7157DC
oklch(55.5% 0.194 287.3)
-
Step 700
700 (this color)
#674FC9
oklch(52% 0.181 287.4)
-
Step 800
800
#4E3A9B
oklch(42.7% 0.151 287.7)
-
Step 900
900
#40337B
oklch(37.6% 0.118 287.7)
-
Step 950
950
#251F48
oklch(27% 0.074 287.1)
#674FC9 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) | #0067CD | 0.098 |
| Deuteranopia (no green cones) | #0061C6 | 0.096 |
| Tritanopia (no blue cones) | #456B84 | 0.150 |
| Achromatopsia (no color) | #646464 | 0.182 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #674FC9
#674FC9
oklch(52% 0.181 287.4)
- #706D00
#706D00
oklch(52% 0.112 107.8)
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 #674FC9, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Iris #6258C4 ΔE 0.023
- Slate Blue #6A5ACD ΔE 0.026
- Light Indigo #6D5ACF ΔE 0.029
- Bluey Purple #6241C7 ΔE 0.032
- Dark Periwinkle #665FD1 ΔE 0.038
- Warm Blue #4B57DB ΔE 0.050
- Blue With A Hint Of Purple #533CC6 ΔE 0.055
- Blurple #5539CC ΔE 0.057
Use #674FC9 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.