#674FB9
Closest named color: Iris (#6258C4). oklch(50.8% 0.16 289.9), rgb(103, 79, 185).
Aa
White text reads best on this color (6.18:1).
About this color
#674FB9 is a medium-dark, vivid purple. In OKLCH its lightness is 51%, its chroma 0.160 and its hue 290°. Its hue sits on the cool side of the wheel. The nearest named color is Iris (#6258C4), ΔE 0.026 away. White text reads best on it, at 6.18:1.
| Hue family | Purples |
| Lightness | medium-dark (51%) |
| Chroma | vivid (0.160) |
| Temperature | cool |
| Nearest name | Iris (#6258C4) |
| Black text | 3.39:1 |
| White text | 6.18:1 |
Values
| HEX | #674FB9 |
| RGB | rgb(103, 79, 185) |
| HSL | hsl(254, 43%, 52%) |
| OKLCH | oklch(50.8% 0.16 289.9) |
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 #674FB9 | 6.18:1 | AA | Lc -85.7 | Fine for body text |
| Black text on #674FB9 | 3.39:1 | AA large text | Lc 23.5 | Dividers and decoration only |
| #674FB9 text on white | 6.18:1 | AA | Lc 80.5 | Fine for body text |
| #674FB9 text on black | 3.39:1 | AA large text | Lc -21.3 | 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
#F5F4FC
oklch(97% 0.011 292)
-
Step 100
100
#E9E8F8
oklch(93.6% 0.021 288.9)
-
Step 200
200
#D8D5F4
oklch(88.5% 0.042 289.9)
-
Step 300
300
#BFB9F0
oklch(80.9% 0.077 289.6)
-
Step 400
400
#A092E8
oklch(70.6% 0.124 290.3)
-
Step 500
500
#8A75E1
oklch(63.1% 0.158 290.1)
-
Step 600
600
#755BCF
oklch(55.6% 0.172 290)
-
Step 700
700 (this color)
#674FB9
oklch(50.8% 0.16 289.9)
-
Step 800
800
#503D91
oklch(42.6% 0.133 290)
-
Step 900
900
#423574
oklch(37.7% 0.104 290)
-
Step 950
950
#262044
oklch(27% 0.065 288.9)
#674FB9 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) | #0C63BD | 0.096 |
| Deuteranopia (no green cones) | #135FB7 | 0.094 |
| Tritanopia (no blue cones) | #4F667C | 0.131 |
| Achromatopsia (no color) | #616161 | 0.161 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #674FB9
#674FB9
oklch(50.8% 0.16 289.9)
- #6A6A00
#6A6A00
oklch(50.8% 0.111 109.8)
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 #674FB9, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Iris #6258C4 ΔE 0.026
- Slate Blue #6A5ACD ΔE 0.039
- Bluey Purple #6241C7 ΔE 0.040
- Light Indigo #6D5ACF ΔE 0.043
- Dark Periwinkle #665FD1 ΔE 0.051
- Blue With A Hint Of Purple #533CC6 ΔE 0.060
- Blurple #5539CC ΔE 0.066
- Warm Blue #4B57DB ΔE 0.067
Use #674FB9 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.