#C65017
Closest named color: Rust Orange (#C45508). oklch(57.9% 0.164 42), rgb(198, 80, 23).
Aa
White text reads best on this color (4.60:1).
About this color
#C65017 is a medium-dark, vivid orange. In OKLCH its lightness is 58%, its chroma 0.164 and its hue 42°. Its hue sits on the warm side of the wheel. The nearest named color is Rust Orange (#C45508), ΔE 0.013 away. White text reads best on it, at 4.60:1.
| Hue family | Oranges |
| Lightness | medium-dark (58%) |
| Chroma | vivid (0.164) |
| Temperature | warm |
| Nearest name | Rust Orange (#C45508) |
| Black text | 4.56:1 |
| White text | 4.60:1 |
Values
| HEX | #C65017 |
| RGB | rgb(198, 80, 23) |
| HSL | hsl(20, 79%, 43%) |
| OKLCH | oklch(57.9% 0.164 42) |
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 #C65017 | 4.60:1 | AA | Lc -76.6 | Fine for body text |
| Black text on #C65017 | 4.56:1 | AA | Lc 32.9 | Non-text elements, placeholder text |
| #C65017 text on white | 4.60:1 | AA | Lc 71.1 | Content text, not long reading |
| #C65017 text on black | 4.56:1 | AA | Lc -30.5 | 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 600.
-
Step 50
50
#FCF3F0
oklch(97% 0.011 39.4)
-
Step 100
100
#F7E6DF
oklch(93.7% 0.021 43.9)
-
Step 200
200
#F2D1C4
oklch(88.5% 0.041 42.7)
-
Step 300
300
#EBB29C
oklch(81% 0.074 42.1)
-
Step 400
400
#DE8764
oklch(70.8% 0.118 42.5)
-
Step 500
500
#D26537
oklch(63% 0.15 42.1)
-
Step 600
600 (this color)
#C65017
oklch(57.9% 0.164 42)
-
Step 700
700
#A23B00
oklch(49.2% 0.148 42.2)
-
Step 800
800
#853004
oklch(42.7% 0.126 41.8)
-
Step 900
900
#6B2C10
oklch(37.7% 0.098 42.2)
-
Step 950
950
#3F1A0B
oklch(26.9% 0.063 41.6)
#C65017 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) | #72640A | 0.159 |
| Deuteranopia (no green cones) | #8F7F10 | 0.143 |
| Tritanopia (no blue cones) | #DA3246 | 0.079 |
| Achromatopsia (no color) | #757575 | 0.165 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C65017
#C65017
oklch(57.9% 0.164 42)
- #0087A7
#0087A7
oklch(57.8% 0.107 222.2)
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 #C65017, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rust Orange #C45508 ΔE 0.013
- Burnt Orange #C04E01 ΔE 0.015
- Brick Orange #C14A09 ΔE 0.017
- Rusty Orange #CD5909 ΔE 0.026
- Burnt Siena #B75203 ΔE 0.031
- Deep Orange #DC4D01 ΔE 0.041
- Sinopia #BB3E03 ΔE 0.043
- Terra Cotta #C9643B ΔE 0.044
Use #C65017 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.