#FF6556
Closest named color: Tomato (#FF6347). oklch(70.1% 0.191 28.5), rgb(255, 101, 86).
Aa
Black text reads best on this color (7.24:1).
About this color
#FF6556 is a medium-light, vivid red. In OKLCH its lightness is 70%, its chroma 0.191 and its hue 28°. Its hue sits on the warm side of the wheel. The nearest named color is Tomato (#FF6347), ΔE 0.015 away. Black text reads best on it, at 7.24:1.
| Hue family | Reds |
| Lightness | medium-light (70%) |
| Chroma | vivid (0.191) |
| Temperature | warm |
| Nearest name | Tomato (#FF6347) |
| Black text | 7.24:1 |
| White text | 2.89:1 |
Values
| HEX | #FF6556 |
| RGB | rgb(255, 101, 86) |
| HSL | hsl(5, 100%, 67%) |
| OKLCH | oklch(70.1% 0.191 28.5) |
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 #FF6556 | 2.89:1 | Fails | Lc -59.7 | Large or bold text, headings |
| Black text on #FF6556 | 7.24:1 | AAA | Lc 49.6 | Large or bold text, headings |
| #FF6556 text on white | 2.89:1 | Fails | Lc 54.4 | Large or bold text, headings |
| #FF6556 text on black | 7.24:1 | AAA | Lc -47.4 | Large or bold text, headings |
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
#FFE2DE
oklch(93.5% 0.033 27.1)
-
Step 200
200
#FFCBC3
oklch(88.6% 0.06 28.4)
-
Step 300
300
#FFA599
oklch(80.8% 0.109 28)
-
Step 400
400 (this color)
#FF6556
oklch(70.1% 0.191 28.5)
-
Step 500
500
#FB231F
oklch(63.1% 0.244 28.5)
-
Step 600
600
#D9000A
oklch(55.6% 0.228 28.4)
-
Step 700
700
#B80007
oklch(49.2% 0.201 28.4)
-
Step 800
800
#980004
oklch(42.7% 0.175 28.5)
-
Step 900
900
#800003
oklch(37.7% 0.154 28.5)
-
Step 950
950
#4C0705
oklch(26.9% 0.1 28.6)
#FF6556 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) | #8E8354 | 0.200 |
| Deuteranopia (no green cones) | #B4A452 | 0.184 |
| Tritanopia (no blue cones) | #FF4362 | 0.062 |
| Achromatopsia (no color) | #989898 | 0.192 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #FF6556
#FF6556
oklch(70.1% 0.191 28.5)
- #00B3C6
#00B3C6
oklch(70.1% 0.121 208.2)
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 #FF6556, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Tomato #FF6347 ΔE 0.015
- Coral Pink #FF6163 ΔE 0.019
- Orange Pink #FF6F52 ΔE 0.021
- Grapefruit #FD5956 ΔE 0.023
- Pinkish Orange #FF724C ΔE 0.031
- Melon #FF7855 ΔE 0.038
- Burnt Sienna #E76F51 ΔE 0.046
- Light Red #FF474C ΔE 0.047
Use #FF6556 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.