#61639D
Closest named color: Dusky Blue (#475F94). oklch(52.3% 0.091 281.3), rgb(97, 99, 157).
Aa
White text reads best on this color (5.55:1).
About this color
#61639D is a medium-dark, moderately saturated purple. In OKLCH its lightness is 52%, its chroma 0.091 and its hue 281°. Its hue sits on the cool side of the wheel. The nearest named color is Dusky Blue (#475F94), ΔE 0.042 away. White text reads best on it, at 5.55:1.
| Hue family | Purples |
| Lightness | medium-dark (52%) |
| Chroma | moderately saturated (0.091) |
| Temperature | cool |
| Nearest name | Dusky Blue (#475F94) |
| Black text | 3.77:1 |
| White text | 5.55:1 |
Values
| HEX | #61639D |
| RGB | rgb(97, 99, 157) |
| HSL | hsl(238, 24%, 50%) |
| OKLCH | oklch(52.3% 0.091 281.3) |
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 #61639D | 5.55:1 | AA | Lc -83.0 | Fine for body text |
| Black text on #61639D | 3.77:1 | AA large text | Lc 26.4 | Dividers and decoration only |
| #61639D text on white | 5.55:1 | AA | Lc 77.7 | Fine for body text |
| #61639D text on black | 3.77:1 | AA large text | Lc -24.1 | 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
#F5F5F9
oklch(97.1% 0.005 286.3)
-
Step 100
100
#E8E9F2
oklch(93.6% 0.012 281.1)
-
Step 200
200
#D6D8E9
oklch(88.6% 0.023 280.6)
-
Step 300
300
#BBBEDD
oklch(80.9% 0.044 281)
-
Step 400
400
#989CCC
oklch(70.7% 0.07 280.7)
-
Step 500
500
#8083BF
oklch(63.1% 0.09 281.3)
-
Step 600
600
#6A6CAB
oklch(55.7% 0.097 281.4)
-
Step 700
700 (this color)
#61639D
oklch(52.3% 0.091 281.3)
-
Step 800
800
#484A77
oklch(42.8% 0.074 280.8)
-
Step 900
900
#3C3E60
oklch(37.8% 0.058 280.7)
-
Step 950
950
#232438
oklch(26.9% 0.037 281.4)
#61639D 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) | #506A9F | 0.028 |
| Deuteranopia (no green cones) | #4D669C | 0.028 |
| Tritanopia (no blue cones) | #506E78 | 0.080 |
| Achromatopsia (no color) | #686868 | 0.091 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #61639D
#61639D
oklch(52.3% 0.091 281.3)
- #756B25
#756B25
oklch(52.3% 0.09 101.1)
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 #61639D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusky Blue #475F94 ΔE 0.042
- French Blue #436BAD ΔE 0.045
- Muted Blue #3B719F ΔE 0.056
- Dull Blue #49759C ΔE 0.057
- Flat Blue #3C73A8 ΔE 0.057
- Denim #3B638C ΔE 0.058
- Muted Purple #805B87 ΔE 0.059
- Dark Lavender #856798 ΔE 0.060
Use #61639D 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.