#683523
Closest named color: Chestnut (#742802). oklch(39.1% 0.079 39.9), rgb(104, 53, 35).
Aa
White text reads best on this color (9.89:1).
About this color
#683523 is a dark, moderately saturated red. In OKLCH its lightness is 39%, its chroma 0.079 and its hue 40°. Its hue sits on the warm side of the wheel. The nearest named color is Chestnut (#742802), ΔE 0.037 away. White text reads best on it, at 9.89:1.
| Hue family | Reds |
| Lightness | dark (39%) |
| Chroma | moderately saturated (0.079) |
| Temperature | warm |
| Nearest name | Chestnut (#742802) |
| Black text | 2.12:1 |
| White text | 9.89:1 |
Values
| HEX | #683523 |
| RGB | rgb(104, 53, 35) |
| HSL | hsl(16, 50%, 27%) |
| OKLCH | oklch(39.1% 0.079 39.9) |
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 #683523 | 9.89:1 | AAA | Lc -96.8 | Preferred for body text |
| Black text on #683523 | 2.12:1 | Fails | Lc 11.3 | Not readable |
| #683523 text on white | 9.89:1 | AAA | Lc 92.6 | Preferred for body text |
| #683523 text on black | 2.12:1 | Fails | Lc -9.8 | 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
#FAF4F1
oklch(97.1% 0.008 48.7)
-
Step 100
100
#F5E6E1
oklch(93.5% 0.018 39.4)
-
Step 200
200
#EDD2C9
oklch(88.4% 0.033 39.3)
-
Step 300
300
#E3B4A4
oklch(80.8% 0.059 39.6)
-
Step 400
400
#D38C74
oklch(70.6% 0.094 39.4)
-
Step 500
500
#C66E4F
oklch(63.1% 0.12 40)
-
Step 600
600
#B15432
oklch(55.5% 0.131 40.1)
-
Step 700
700
#984425
oklch(49.1% 0.121 40)
-
Step 800
800
#7C3820
oklch(42.7% 0.102 39.5)
-
Step 900
900 (this color)
#683523
oklch(39.1% 0.079 39.9)
-
Step 950
950
#3B1D13
oklch(27% 0.05 39.1)
#683523 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) | #423C21 | 0.075 |
| Deuteranopia (no green cones) | #4F4722 | 0.068 |
| Tritanopia (no blue cones) | #722C31 | 0.039 |
| Achromatopsia (no color) | #434343 | 0.079 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #683523
#683523
oklch(39.1% 0.079 39.9)
- #004E5F
#004E5F
oklch(39.2% 0.071 218.9)
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 #683523, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Chestnut #742802 ΔE 0.037
- Purple Brown #673A3F ΔE 0.039
- Mud Brown #60460F ΔE 0.059
- Reddy Brown #6E1005 ΔE 0.068
- Red Brown #8B2E16 ΔE 0.070
- Brownish Purple #76424E ΔE 0.071
- Rust Brown #8B3103 ΔE 0.072
- Blood #770001 ΔE 0.078
Use #683523 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.