#EC6743
Closest named color: Burnt Sienna (#E76F51). oklch(67.2% 0.173 36.1), rgb(236, 103, 67).
Aa
Black text reads best on this color (6.58:1).
About this color
#EC6743 is a medium-light, vivid red. In OKLCH its lightness is 67%, its chroma 0.173 and its hue 36°. Its hue sits on the warm side of the wheel. The nearest named color is Burnt Sienna (#E76F51), ΔE 0.018 away. Black text reads best on it, at 6.58:1.
| Hue family | Reds |
| Lightness | medium-light (67%) |
| Chroma | vivid (0.173) |
| Temperature | warm |
| Nearest name | Burnt Sienna (#E76F51) |
| Black text | 6.58:1 |
| White text | 3.18:1 |
Values
| HEX | #EC6743 |
| RGB | rgb(236, 103, 67) |
| HSL | hsl(13, 82%, 59%) |
| OKLCH | oklch(67.2% 0.173 36.1) |
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 #EC6743 | 3.18:1 | AA large text | Lc -63.7 | Content text, not long reading |
| Black text on #EC6743 | 6.58:1 | AA | Lc 45.7 | Large or bold text, headings |
| #EC6743 text on white | 3.18:1 | AA large text | Lc 58.3 | Large or bold text, headings |
| #EC6743 text on black | 6.58:1 | AA | Lc -43.4 | 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 400.
-
Step 50
50
#FFF2EF
oklch(97.1% 0.015 33.1)
-
Step 100
100
#FEE3DC
oklch(93.6% 0.031 34.9)
-
Step 200
200
#FECCBE
oklch(88.5% 0.06 36.2)
-
Step 300
300
#FEA790
oklch(80.9% 0.109 35.5)
-
Step 400
400 (this color)
#EC6743
oklch(67.2% 0.173 36.1)
-
Step 500
500
#EF4300
oklch(63.1% 0.216 36)
-
Step 600
600
#CA3700
oklch(55.6% 0.191 36)
-
Step 700
700
#AB2D00
oklch(49.1% 0.169 35.9)
-
Step 800
800
#8D2400
oklch(42.7% 0.146 36.1)
-
Step 900
900
#771D00
oklch(37.8% 0.129 36.2)
-
Step 950
950
#490F01
oklch(27% 0.091 35.9)
#EC6743 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) | #8B7E3F | 0.173 |
| Deuteranopia (no green cones) | #AC9B3F | 0.158 |
| Tritanopia (no blue cones) | #FF4A5F | 0.072 |
| Achromatopsia (no color) | #909090 | 0.174 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #EC6743
#EC6743
oklch(67.2% 0.173 36.1)
- #00A7C5
#00A7C5
oklch(67.1% 0.12 216.7)
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 #EC6743, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Burnt Sienna #E76F51 ΔE 0.018
- Tomato #FF6347 ΔE 0.035
- Orange Pant #FB5607 ΔE 0.041
- Orange Pink #FF6F52 ΔE 0.042
- Bright Orange #FF5B00 ΔE 0.044
- Pinkish Orange #FF724C ΔE 0.044
- Grapefruit #FD5956 ΔE 0.046
- Dark Peach #DE7E5D ΔE 0.049
Use #EC6743 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.