#613A45
Closest named color: Purple Brown (#673A3F). oklch(39.9% 0.057 1.7), rgb(97, 58, 69).
Aa
White text reads best on this color (9.54:1).
About this color
#613A45 is a dark, muted red. In OKLCH its lightness is 40%, its chroma 0.057 and its hue 2°. Its hue sits on the warm side of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.015 away. White text reads best on it, at 9.54:1.
| Hue family | Reds |
| Lightness | dark (40%) |
| Chroma | muted (0.057) |
| Temperature | warm |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 2.19:1 |
| White text | 9.54:1 |
Values
| HEX | #613A45 |
| RGB | rgb(97, 58, 69) |
| HSL | hsl(343, 25%, 30%) |
| OKLCH | oklch(39.9% 0.057 1.7) |
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 #613A45 | 9.54:1 | AAA | Lc -96.2 | Preferred for body text |
| Black text on #613A45 | 2.19:1 | Fails | Lc 12.0 | Not readable |
| #613A45 text on white | 9.54:1 | AAA | Lc 92.0 | Preferred for body text |
| #613A45 text on black | 2.19:1 | Fails | Lc -10.4 | Not readable |
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 900.
-
Step 50
50
#F9F4F5
oklch(97.1% 0.006 3.3)
-
Step 100
100
#F2E7E9
oklch(93.7% 0.012 4.8)
-
Step 200
200
#E8D3D8
oklch(88.5% 0.024 1.4)
-
Step 300
300
#DAB6BE
oklch(81% 0.043 3.1)
-
Step 400
400
#C68F9D
oklch(70.7% 0.069 2.2)
-
Step 500
500
#B67385
oklch(63.2% 0.087 2.4)
-
Step 600
600
#A15A6F
oklch(55.6% 0.096 1.7)
-
Step 700
700
#894A5D
oklch(49.1% 0.088 1.5)
-
Step 800
800
#703D4C
oklch(42.7% 0.074 1.8)
-
Step 900
900 (this color)
#613A45
oklch(39.9% 0.057 1.7)
-
Step 950
950
#351F25
oklch(27% 0.035 2)
#613A45 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) | #404145 | 0.062 |
| Deuteranopia (no green cones) | #494844 | 0.058 |
| Tritanopia (no blue cones) | #67373E | 0.016 |
| Achromatopsia (no color) | #454545 | 0.058 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #613A45
#613A45
oklch(39.9% 0.057 1.7)
- #1D5149
#1D5149
oklch(39.8% 0.057 181.5)
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 #613A45, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.015
- Brownish Purple #76424E ΔE 0.050
- Charcoal Grey #3C4142 ΔE 0.069
- Chestnut #742802 ΔE 0.082
- Onyx #343A40 ΔE 0.083
- Mud Brown #60460F ΔE 0.088
- Dark Slate Gray #2F4F4F ΔE 0.094
- Dark Grey Blue #29465B ΔE 0.095
Use #613A45 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.