#CB5421
Closest named color: Rusty Orange (#CD5909). oklch(59.3% 0.164 41), rgb(203, 84, 33).
Aa
Black text reads best on this color (4.82:1).
About this color
#CB5421 is a medium-dark, vivid orange. In OKLCH its lightness is 59%, its chroma 0.164 and its hue 41°. Its hue sits on the warm side of the wheel. The nearest named color is Rusty Orange (#CD5909), ΔE 0.018 away. Black text reads best on it, at 4.82:1.
| Hue family | Oranges |
| Lightness | medium-dark (59%) |
| Chroma | vivid (0.164) |
| Temperature | warm |
| Nearest name | Rusty Orange (#CD5909) |
| Black text | 4.82:1 |
| White text | 4.34:1 |
Values
| HEX | #CB5421 |
| RGB | rgb(203, 84, 33) |
| HSL | hsl(18, 72%, 46%) |
| OKLCH | oklch(59.3% 0.164 41) |
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 #CB5421 | 4.34:1 | AA large text | Lc -74.8 | Content text, not long reading |
| Black text on #CB5421 | 4.82:1 | AA | Lc 34.8 | Non-text elements, placeholder text |
| #CB5421 text on white | 4.34:1 | AA large text | Lc 69.3 | Content text, not long reading |
| #CB5421 text on black | 4.82:1 | AA | Lc -32.3 | 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
#F2D1C5
oklch(88.5% 0.041 41)
-
Step 300
300
#EBB19C
oklch(80.9% 0.074 40.8)
-
Step 400
400
#DE8666
oklch(70.6% 0.118 40.6)
-
Step 500
500
#D3653A
oklch(63.2% 0.15 41)
-
Step 600
600 (this color)
#CB5421
oklch(59.3% 0.164 41)
-
Step 700
700
#A33900
oklch(49.1% 0.151 41.1)
-
Step 800
800
#853007
oklch(42.8% 0.126 41.2)
-
Step 900
900
#6B2C12
oklch(37.8% 0.098 41.2)
-
Step 950
950
#3F1A0C
oklch(26.9% 0.063 40.6)
#CB5421 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) | #766818 | 0.159 |
| Deuteranopia (no green cones) | #93831C | 0.144 |
| Tritanopia (no blue cones) | #DF374A | 0.077 |
| Achromatopsia (no color) | #797979 | 0.164 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #CB5421
#CB5421
oklch(59.3% 0.164 41)
- #008CAC
#008CAC
oklch(59.3% 0.109 221.5)
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 #CB5421, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rusty Orange #CD5909 ΔE 0.018
- Rust Orange #C45508 ΔE 0.019
- Burnt Orange #C04E01 ΔE 0.029
- Brick Orange #C14A09 ΔE 0.031
- Deep Orange #DC4D01 ΔE 0.032
- Terra Cotta #C9643B ΔE 0.033
- Terracotta #CA6641 ΔE 0.039
- Burnt Siena #B75203 ΔE 0.043
Use #CB5421 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.