#CD633A
Closest named color: Terra Cotta (#C9643B). oklch(62% 0.146 40.9), rgb(205, 99, 58).
Aa
Black text reads best on this color (5.44:1).
About this color
#CD633A is a medium-light, vivid orange. In OKLCH its lightness is 62%, its chroma 0.146 and its hue 41°. Its hue sits on the warm side of the wheel. The nearest named color is Terra Cotta (#C9643B), ΔE 0.007 away. Black text reads best on it, at 5.44:1.
| Hue family | Oranges |
| Lightness | medium-light (62%) |
| Chroma | vivid (0.146) |
| Temperature | warm |
| Nearest name | Terra Cotta (#C9643B) |
| Black text | 5.44:1 |
| White text | 3.85:1 |
Values
| HEX | #CD633A |
| RGB | rgb(205, 99, 58) |
| HSL | hsl(17, 60%, 52%) |
| OKLCH | oklch(62% 0.146 40.9) |
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 #CD633A | 3.85:1 | AA large text | Lc -71.0 | Content text, not long reading |
| Black text on #CD633A | 5.44:1 | AA | Lc 38.6 | Non-text elements, placeholder text |
| #CD633A text on white | 3.85:1 | AA large text | Lc 65.5 | Content text, not long reading |
| #CD633A text on black | 5.44:1 | AA | Lc -36.2 | 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
#FCF3F1
oklch(97.1% 0.01 32.5)
-
Step 100
100
#F7E6E0
oklch(93.7% 0.02 40.5)
-
Step 200
200
#F1D1C6
oklch(88.5% 0.039 39.9)
-
Step 300
300
#EAB29E
oklch(81% 0.071 40.5)
-
Step 400
400
#DC8768
oklch(70.6% 0.114 40.7)
-
Step 500
500 (this color)
#CD633A
oklch(62% 0.146 40.9)
-
Step 600
600
#BC4A18
oklch(55.5% 0.158 40.8)
-
Step 700
700
#A23A07
oklch(49.1% 0.148 40.7)
-
Step 800
800
#83310D
oklch(42.6% 0.122 40.8)
-
Step 900
900
#6A2D14
oklch(37.8% 0.095 41.4)
-
Step 950
950
#3E1B0D
oklch(27% 0.06 41.7)
#CD633A 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) | #807335 | 0.139 |
| Deuteranopia (no green cones) | #9A8B38 | 0.127 |
| Tritanopia (no blue cones) | #E14D5A | 0.072 |
| Achromatopsia (no color) | #828282 | 0.146 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #CD633A
#CD633A
oklch(62% 0.146 40.9)
- #0095B6
#0095B6
oklch(62% 0.114 220.9)
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 #CD633A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Terra Cotta #C9643B ΔE 0.007
- Terracotta #CA6641 ΔE 0.009
- Terracota #CB6843 ΔE 0.011
- Chocolate #D2691E ΔE 0.030
- Rusty Orange #CD5909 ΔE 0.031
- Adobe #BD6C48 ΔE 0.032
- Rust #CA6702 ΔE 0.036
- Browny Orange #CA6B02 ΔE 0.041
Use #CD633A 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.