#662318
Closest named color: Reddy Brown (#6E1005). oklch(35.6% 0.099 31.6), rgb(102, 35, 24).
Aa
White text reads best on this color (11.54:1).
About this color
#662318 is a dark, moderately saturated red. In OKLCH its lightness is 36%, its chroma 0.099 and its hue 32°. Its hue sits on the warm side of the wheel. The nearest named color is Reddy Brown (#6E1005), ΔE 0.031 away. White text reads best on it, at 11.54:1.
| Hue family | Reds |
| Lightness | dark (36%) |
| Chroma | moderately saturated (0.099) |
| Temperature | warm |
| Nearest name | Reddy Brown (#6E1005) |
| Black text | 1.81:1 |
| White text | 11.54:1 |
Values
| HEX | #662318 |
| RGB | rgb(102, 35, 24) |
| HSL | hsl(8, 62%, 25%) |
| OKLCH | oklch(35.6% 0.099 31.6) |
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 #662318 | 11.54:1 | AAA | Lc -99.7 | Preferred for body text |
| Black text on #662318 | 1.81:1 | Fails | Lc 8.0 | Not readable |
| #662318 text on white | 11.54:1 | AAA | Lc 95.9 | Preferred for body text |
| #662318 text on black | 1.81:1 | Fails | Lc 0.0 | 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
#FCF3F1
oklch(97.1% 0.01 32.5)
-
Step 100
100
#F8E5E1
oklch(93.6% 0.022 31.8)
-
Step 200
200
#F3D0C8
oklch(88.5% 0.041 33)
-
Step 300
300
#EDAFA3
oklch(80.9% 0.075 31.1)
-
Step 400
400
#E18371
oklch(70.7% 0.12 31.8)
-
Step 500
500
#D5604C
oklch(63% 0.152 31.5)
-
Step 600
600
#C1432F
oklch(55.7% 0.165 31.6)
-
Step 700
700
#A63321
oklch(49.1% 0.154 31.7)
-
Step 800
800
#872C1D
oklch(42.7% 0.127 31.9)
-
Step 900
900 (this color)
#662318
oklch(35.6% 0.099 31.6)
-
Step 950
950
#401912
oklch(27% 0.063 31.8)
#662318 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) | #353016 | 0.103 |
| Deuteranopia (no green cones) | #463F16 | 0.095 |
| Tritanopia (no blue cones) | #711321 | 0.037 |
| Achromatopsia (no color) | #393939 | 0.100 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #662318
#662318
oklch(35.6% 0.099 31.6)
- #00444F
#00444F
oklch(35.5% 0.062 212.8)
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 #662318, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Reddy Brown #6E1005 ΔE 0.031
- Chestnut #742802 ΔE 0.039
- Blood #770001 ΔE 0.048
- Claret #680018 ΔE 0.050
- Wine Red #7B0323 ΔE 0.059
- Maroon #800000 ΔE 0.059
- Burgundy #610023 ΔE 0.065
- Purple Brown #673A3F ΔE 0.066
Use #662318 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.