#604EA5
Closest named color: Iris (#6258C4). oklch(48.6% 0.135 290), rgb(96, 78, 165).
Aa
White text reads best on this color (6.70:1).
About this color
#604EA5 is a medium-dark, moderately saturated purple. In OKLCH its lightness is 49%, its chroma 0.135 and its hue 290°. Its hue sits on the cool side of the wheel. The nearest named color is Iris (#6258C4), ΔE 0.053 away. White text reads best on it, at 6.70:1.
| Hue family | Purples |
| Lightness | medium-dark (49%) |
| Chroma | moderately saturated (0.135) |
| Temperature | cool |
| Nearest name | Iris (#6258C4) |
| Black text | 3.13:1 |
| White text | 6.70:1 |
Values
| HEX | #604EA5 |
| RGB | rgb(96, 78, 165) |
| HSL | hsl(252, 36%, 48%) |
| OKLCH | oklch(48.6% 0.135 290) |
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 #604EA5 | 6.70:1 | AA | Lc -87.9 | Fine for body text |
| Black text on #604EA5 | 3.13:1 | AA large text | Lc 21.2 | Dividers and decoration only |
| #604EA5 text on white | 6.70:1 | AA | Lc 82.9 | Fine for body text |
| #604EA5 text on black | 3.13:1 | AA large text | Lc -19.0 | 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
#F5F5FB
oklch(97.2% 0.008 286.3)
-
Step 100
100
#E9E8F6
oklch(93.6% 0.019 289.3)
-
Step 200
200
#D8D6F0
oklch(88.6% 0.036 289.2)
-
Step 300
300
#BFBAE9
oklch(80.9% 0.066 289.7)
-
Step 400
400
#9F95DD
oklch(70.6% 0.104 289.8)
-
Step 500
500
#897AD4
oklch(63.2% 0.133 289.7)
-
Step 600
600
#7461C1
oklch(55.7% 0.144 290)
-
Step 700
700 (this color)
#604EA5
oklch(48.6% 0.135 290)
-
Step 800
800
#4F4287
oklch(42.8% 0.111 289.5)
-
Step 900
900
#42386C
oklch(37.7% 0.087 290.5)
-
Step 950
950
#26213F
oklch(26.9% 0.055 289.9)
#604EA5 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) | #285DA8 | 0.075 |
| Deuteranopia (no green cones) | #2A5AA3 | 0.072 |
| Tritanopia (no blue cones) | #4D6072 | 0.110 |
| Achromatopsia (no color) | #5C5C5C | 0.135 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #604EA5
#604EA5
oklch(48.6% 0.135 290)
- #636400
#636400
oklch(48.6% 0.106 110.5)
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 #604EA5, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Iris #6258C4 ΔE 0.053
- Twilight #4E518B ΔE 0.053
- Blueberry #464196 ΔE 0.061
- Bluey Purple #6241C7 ΔE 0.062
- Rebecca Purple #663399 ΔE 0.063
- Dusky Blue #475F94 ΔE 0.066
- Slate Blue #6A5ACD ΔE 0.069
- Dusk #4E5481 ΔE 0.070
Use #604EA5 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.