#EC6553
Closest named color: Burnt Sienna (#E76F51). oklch(67.2% 0.171 29.9), rgb(236, 101, 83).
Aa
Black text reads best on this color (6.55:1).
About this color
#EC6553 is a medium-light, vivid red. In OKLCH its lightness is 67%, its chroma 0.171 and its hue 30°. Its hue sits on the warm side of the wheel. The nearest named color is Burnt Sienna (#E76F51), ΔE 0.022 away. Black text reads best on it, at 6.55:1.
| Hue family | Reds |
| Lightness | medium-light (67%) |
| Chroma | vivid (0.171) |
| Temperature | warm |
| Nearest name | Burnt Sienna (#E76F51) |
| Black text | 6.55:1 |
| White text | 3.20:1 |
Values
| HEX | #EC6553 |
| RGB | rgb(236, 101, 83) |
| HSL | hsl(7, 80%, 63%) |
| OKLCH | oklch(67.2% 0.171 29.9) |
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 #EC6553 | 3.20:1 | AA large text | Lc -63.9 | Content text, not long reading |
| Black text on #EC6553 | 6.55:1 | AA | Lc 45.5 | Large or bold text, headings |
| #EC6553 text on white | 3.20:1 | AA large text | Lc 58.5 | Large or bold text, headings |
| #EC6553 text on black | 6.55:1 | AA | Lc -43.2 | 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 400.
-
Step 50
50
#FFF2F0
oklch(97.1% 0.014 28)
-
Step 100
100
#FEE3DE
oklch(93.6% 0.031 30.2)
-
Step 200
200
#FECBC2
oklch(88.4% 0.06 29.9)
-
Step 300
300
#FEA698
oklch(80.9% 0.107 29.5)
-
Step 400
400 (this color)
#EC6553
oklch(67.2% 0.171 29.9)
-
Step 500
500
#F13D2C
oklch(63.1% 0.218 29.8)
-
Step 600
600
#D70E00
oklch(55.5% 0.223 29.9)
-
Step 700
700
#B60A00
oklch(49% 0.197 29.9)
-
Step 800
800
#970600
oklch(42.7% 0.172 29.8)
-
Step 900
900
#7C1007
oklch(37.7% 0.142 30)
-
Step 950
950
#490E08
oklch(27% 0.09 29.9)
#EC6553 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) | #887E51 | 0.177 |
| Deuteranopia (no green cones) | #AA9B50 | 0.163 |
| Tritanopia (no blue cones) | #FF4A61 | 0.059 |
| Achromatopsia (no color) | #909090 | 0.172 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #EC6553
#EC6553
oklch(67.2% 0.171 29.9)
- #00A9BD
#00A9BD
oklch(67.3% 0.116 209.6)
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 #EC6553, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Burnt Sienna #E76F51 ΔE 0.022
- Grapefruit #FD5956 ΔE 0.035
- Tomato #FF6347 ΔE 0.036
- Coral Pink #FF6163 ΔE 0.041
- Orange Pink #FF6F52 ΔE 0.044
- Pastel Red #DB5856 ΔE 0.046
- Pinkish Orange #FF724C ΔE 0.049
- Orange Pant #FB5607 ΔE 0.052
Use #EC6553 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.