#CA450E
Closest named color: Brick Orange (#C14A09). oklch(57.2% 0.178 38.6), rgb(202, 69, 14).
Aa
White text reads best on this color (4.80:1).
About this color
#CA450E is a medium-dark, vivid red. In OKLCH its lightness is 57%, its chroma 0.178 and its hue 39°. Its hue sits on the warm side of the wheel. The nearest named color is Brick Orange (#C14A09), ΔE 0.019 away. White text reads best on it, at 4.80:1.
| Hue family | Reds |
| Lightness | medium-dark (57%) |
| Chroma | vivid (0.178) |
| Temperature | warm |
| Nearest name | Brick Orange (#C14A09) |
| Black text | 4.36:1 |
| White text | 4.80:1 |
Values
| HEX | #CA450E |
| RGB | rgb(202, 69, 14) |
| HSL | hsl(18, 87%, 42%) |
| OKLCH | oklch(57.2% 0.178 38.6) |
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 #CA450E | 4.80:1 | AA | Lc -77.7 | Fine for body text |
| Black text on #CA450E | 4.36:1 | AA large text | Lc 31.8 | Non-text elements, placeholder text |
| #CA450E text on white | 4.80:1 | AA | Lc 72.2 | Content text, not long reading |
| #CA450E text on black | 4.36:1 | AA large text | Lc -29.4 | Dividers and decoration only |
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
#F9E5DF
oklch(93.6% 0.023 37.4)
-
Step 200
200
#F5D0C4
oklch(88.6% 0.045 38.8)
-
Step 300
300
#EFAF9B
oklch(80.9% 0.081 38.1)
-
Step 400
400
#E48263
oklch(70.7% 0.129 38.3)
-
Step 500
500
#D95F35
oklch(63.2% 0.164 38.9)
-
Step 600
600 (this color)
#CA450E
oklch(57.2% 0.178 38.6)
-
Step 700
700
#A73400
oklch(49.2% 0.159 38.6)
-
Step 800
800
#892A01
oklch(42.6% 0.136 38.8)
-
Step 900
900
#6F280F
oklch(37.8% 0.107 38.5)
-
Step 950
950
#41180B
oklch(26.9% 0.068 38)
#CA450E 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) | #6D5F00 | 0.179 |
| Deuteranopia (no green cones) | #8D7D00 | 0.162 |
| Tritanopia (no blue cones) | #DF193C | 0.076 |
| Achromatopsia (no color) | #727272 | 0.179 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #CA450E
#CA450E
oklch(57.2% 0.178 38.6)
- #0086A1
#0086A1
oklch(57.3% 0.103 218.6)
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 #CA450E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Brick Orange #C14A09 ΔE 0.019
- Burnt Orange #C04E01 ΔE 0.025
- Rust Orange #C45508 ΔE 0.031
- Sinopia #BB3E03 ΔE 0.035
- Rusty Orange #CD5909 ΔE 0.040
- Deep Orange #DC4D01 ΔE 0.041
- Burnt Siena #B75203 ΔE 0.042
- Dull Red #BB3F3F ΔE 0.054
Use #CA450E 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.