#605EBB
Closest named color: Iris (#6258C4). oklch(53% 0.142 281.4), rgb(96, 94, 187).
Aa
White text reads best on this color (5.50:1).
About this color
#605EBB is a medium-dark, vivid purple. In OKLCH its lightness is 53%, its chroma 0.142 and its hue 281°. Its hue sits on the cool side of the wheel. The nearest named color is Iris (#6258C4), ΔE 0.022 away. White text reads best on it, at 5.50:1.
| Hue family | Purples |
| Lightness | medium-dark (53%) |
| Chroma | vivid (0.142) |
| Temperature | cool |
| Nearest name | Iris (#6258C4) |
| Black text | 3.81:1 |
| White text | 5.50:1 |
Values
| HEX | #605EBB |
| RGB | rgb(96, 94, 187) |
| HSL | hsl(241, 41%, 55%) |
| OKLCH | oklch(53% 0.142 281.4) |
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 #605EBB | 5.50:1 | AA | Lc -82.6 | Fine for body text |
| Black text on #605EBB | 3.81:1 | AA large text | Lc 26.8 | Dividers and decoration only |
| #605EBB text on white | 5.50:1 | AA | Lc 77.3 | Fine for body text |
| #605EBB text on black | 3.81:1 | AA large text | Lc -24.5 | 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 600.
-
Step 50
50
#F4F5FB
oklch(97.1% 0.008 278.6)
-
Step 100
100
#E7E9F6
oklch(93.6% 0.018 279.1)
-
Step 200
200
#D4D7F1
oklch(88.5% 0.036 280.4)
-
Step 300
300
#B9BCEA
oklch(80.8% 0.065 281.9)
-
Step 400
400
#9699DF
oklch(70.8% 0.102 281.6)
-
Step 500
500
#7D7ED6
oklch(63.1% 0.131 281.5)
-
Step 600
600 (this color)
#605EBB
oklch(53% 0.142 281.4)
-
Step 700
700
#5654A9
oklch(49.1% 0.132 281.4)
-
Step 800
800
#464589
oklch(42.7% 0.11 281.3)
-
Step 900
900
#3B3B6D
oklch(37.8% 0.084 281.6)
-
Step 950
950
#222340
oklch(27.1% 0.053 280.7)
#605EBB 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) | #346CBE | 0.057 |
| Deuteranopia (no green cones) | #2D66B9 | 0.059 |
| Tritanopia (no blue cones) | #3F7284 | 0.122 |
| Achromatopsia (no color) | #696969 | 0.143 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #605EBB
#605EBB
oklch(53% 0.142 281.4)
- #7A6D00
#7A6D00
oklch(53% 0.111 101.1)
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 #605EBB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Iris #6258C4 ΔE 0.022
- Slate Blue #6A5ACD ΔE 0.034
- Dark Periwinkle #665FD1 ΔE 0.035
- Light Indigo #6D5ACF ΔE 0.039
- French Blue #436BAD ΔE 0.055
- Warm Blue #4B57DB ΔE 0.062
- Mid Blue #276AB3 ΔE 0.068
- Royal Blue #4169E1 ΔE 0.069
Use #605EBB 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.