#C1604E
Closest named color: Clay (#B66A50). oklch(60.1% 0.128 31.9), rgb(193, 96, 78).
Aa
Black text reads best on this color (5.05:1).
About this color
#C1604E is a medium-dark, moderately saturated red. In OKLCH its lightness is 60%, its chroma 0.128 and its hue 32°. Its hue sits on the warm side of the wheel. The nearest named color is Clay (#B66A50), ΔE 0.028 away. Black text reads best on it, at 5.05:1.
| Hue family | Reds |
| Lightness | medium-dark (60%) |
| Chroma | moderately saturated (0.128) |
| Temperature | warm |
| Nearest name | Clay (#B66A50) |
| Black text | 5.05:1 |
| White text | 4.15:1 |
Values
| HEX | #C1604E |
| RGB | rgb(193, 96, 78) |
| HSL | hsl(9, 48%, 53%) |
| OKLCH | oklch(60.1% 0.128 31.9) |
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 #C1604E | 4.15:1 | AA large text | Lc -73.7 | Content text, not long reading |
| Black text on #C1604E | 5.05:1 | AA | Lc 35.9 | Non-text elements, placeholder text |
| #C1604E text on white | 4.15:1 | AA large text | Lc 68.2 | Content text, not long reading |
| #C1604E text on black | 5.05:1 | AA | Lc -33.5 | Non-text elements, placeholder text |
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 500.
-
Step 50
50
#FBF3F2
oklch(97% 0.009 26)
-
Step 100
100
#F6E6E2
oklch(93.7% 0.018 34.3)
-
Step 200
200
#EFD1CB
oklch(88.4% 0.035 31.2)
-
Step 300
300
#E6B2A8
oklch(80.8% 0.063 30.9)
-
Step 400
400
#D88979
oklch(70.8% 0.1 32.1)
-
Step 500
500 (this color)
#C1604E
oklch(60.1% 0.128 31.9)
-
Step 600
600
#B64E3C
oklch(55.5% 0.139 31.7)
-
Step 700
700
#9D3E2E
oklch(49.1% 0.13 31.7)
-
Step 800
800
#7F3427
oklch(42.6% 0.107 31.8)
-
Step 900
900
#672E24
oklch(37.7% 0.084 31.5)
-
Step 950
950
#3C1C15
oklch(27% 0.052 33.4)
#C1604E 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) | #78704C | 0.130 |
| Deuteranopia (no green cones) | #90844C | 0.120 |
| Tritanopia (no blue cones) | #D24F5C | 0.052 |
| Achromatopsia (no color) | #7C7C7C | 0.129 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C1604E
#C1604E
oklch(60.1% 0.128 31.9)
- #0091A5
#0091A5
oklch(60.3% 0.105 211.7)
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 #C1604E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Clay #B66A50 ΔE 0.028
- Terracotta #CA6641 ΔE 0.030
- Terra Cotta #C9643B ΔE 0.030
- Indian Red #CD5C5C ΔE 0.031
- Adobe #BD6C48 ΔE 0.032
- Terracota #CB6843 ΔE 0.033
- Dark Coral #CF524E ΔE 0.036
- Pinkish Brown #B17261 ΔE 0.046
Use #C1604E 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.