#D56537
Closest named color: Terracota (#CB6843). oklch(63.5% 0.154 41.6), rgb(213, 101, 55).
Aa
Black text reads best on this color (5.74:1).
About this color
#D56537 is a medium-light, vivid orange. In OKLCH its lightness is 63%, its chroma 0.154 and its hue 42°. Its hue sits on the warm side of the wheel. The nearest named color is Terracota (#CB6843), ΔE 0.020 away. Black text reads best on it, at 5.74:1.
| Hue family | Oranges |
| Lightness | medium-light (63%) |
| Chroma | vivid (0.154) |
| Temperature | warm |
| Nearest name | Terracota (#CB6843) |
| Black text | 5.74:1 |
| White text | 3.65:1 |
Values
| HEX | #D56537 |
| RGB | rgb(213, 101, 55) |
| HSL | hsl(17, 65%, 53%) |
| OKLCH | oklch(63.5% 0.154 41.6) |
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 #D56537 | 3.65:1 | AA large text | Lc -69.0 | Content text, not long reading |
| Black text on #D56537 | 5.74:1 | AA | Lc 40.5 | Non-text elements, placeholder text |
| #D56537 text on white | 3.65:1 | AA large text | Lc 63.5 | Content text, not long reading |
| #D56537 text on black | 5.74:1 | AA | Lc -38.1 | 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
#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
#EBB19B
oklch(80.8% 0.075 41.7)
-
Step 400
400
#DF8663
oklch(70.7% 0.12 42)
-
Step 500
500 (this color)
#D56537
oklch(63.5% 0.154 41.6)
-
Step 600
600
#BF4705
oklch(55.6% 0.167 41.6)
-
Step 700
700
#A23A00
oklch(49% 0.149 41.7)
-
Step 800
800
#862F02
oklch(42.8% 0.129 41.5)
-
Step 900
900
#6C2B0F
oklch(37.7% 0.101 41.5)
-
Step 950
950
#3F1A0B
oklch(26.9% 0.063 41.6)
#D56537 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) | #847632 | 0.146 |
| Deuteranopia (no green cones) | #9F8F34 | 0.133 |
| Tritanopia (no blue cones) | #E94D5B | 0.076 |
| Achromatopsia (no color) | #868686 | 0.154 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #D56537
#D56537
oklch(63.5% 0.154 41.6)
- #009ABD
#009ABD
oklch(63.6% 0.117 221.5)
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 #D56537, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Terracota #CB6843 ΔE 0.020
- Terracotta #CA6641 ΔE 0.021
- Terra Cotta #C9643B ΔE 0.023
- Chocolate #D2691E ΔE 0.023
- Rusty Orange #CD5909 ΔE 0.037
- Rust #CA6702 ΔE 0.038
- Browny Orange #CA6B02 ΔE 0.041
- Adobe #BD6C48 ΔE 0.044
Use #D56537 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.