#604FAF
Closest named color: Iris (#6258C4). oklch(49.5% 0.147 287.9), rgb(96, 79, 175).
Aa
White text reads best on this color (6.49:1).
About this color
#604FAF is a medium-dark, vivid purple. In OKLCH its lightness is 49%, its chroma 0.147 and its hue 288°. Its hue sits on the cool side of the wheel. The nearest named color is Iris (#6258C4), ΔE 0.038 away. White text reads best on it, at 6.49:1.
| Hue family | Purples |
| Lightness | medium-dark (49%) |
| Chroma | vivid (0.147) |
| Temperature | cool |
| Nearest name | Iris (#6258C4) |
| Black text | 3.23:1 |
| White text | 6.49:1 |
Values
| HEX | #604FAF |
| RGB | rgb(96, 79, 175) |
| HSL | hsl(251, 38%, 50%) |
| OKLCH | oklch(49.5% 0.147 287.9) |
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 #604FAF | 6.49:1 | AA | Lc -87.0 | Fine for body text |
| Black text on #604FAF | 3.23:1 | AA large text | Lc 22.1 | Dividers and decoration only |
| #604FAF text on white | 6.49:1 | AA | Lc 81.9 | Fine for body text |
| #604FAF text on black | 3.23:1 | AA large text | Lc -20.0 | 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
#F5F5FC
oklch(97.2% 0.009 286.2)
-
Step 100
100
#E9E8F7
oklch(93.6% 0.02 289.1)
-
Step 200
200
#D7D6F3
oklch(88.6% 0.04 287.1)
-
Step 300
300
#BEBAED
oklch(80.9% 0.072 288.3)
-
Step 400
400
#9D95E4
oklch(70.8% 0.114 287.7)
-
Step 500
500
#8678DC
oklch(63% 0.147 287.8)
-
Step 600
600
#715FC9
oklch(55.6% 0.158 287.9)
-
Step 700
700 (this color)
#604FAF
oklch(49.5% 0.147 287.9)
-
Step 800
800
#4D408D
oklch(42.6% 0.123 287.8)
-
Step 900
900
#403770
oklch(37.6% 0.095 288.2)
-
Step 950
950
#252142
oklch(27% 0.06 287.2)
#604FAF 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) | #1D60B2 | 0.081 |
| Deuteranopia (no green cones) | #1D5BAD | 0.079 |
| Tritanopia (no blue cones) | #486477 | 0.123 |
| Achromatopsia (no color) | #5E5E5E | 0.148 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #604FAF
#604FAF
oklch(49.5% 0.147 287.9)
- #686500
#686500
oklch(49.3% 0.106 107.7)
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 #604FAF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Iris #6258C4 ΔE 0.038
- Bluey Purple #6241C7 ΔE 0.050
- Slate Blue #6A5ACD ΔE 0.055
- Light Indigo #6D5ACF ΔE 0.059
- Blue With A Hint Of Purple #533CC6 ΔE 0.062
- Dark Periwinkle #665FD1 ΔE 0.064
- Twilight #4E518B ΔE 0.066
- Blueberry #464196 ΔE 0.069
Use #604FAF 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.