#FF645E
Closest named color: Coral Pink (#FF6163). oklch(70.1% 0.19 25.5), rgb(255, 100, 94).
Aa
Black text reads best on this color (7.23:1).
About this color
#FF645E is a medium-light, vivid red. In OKLCH its lightness is 70%, its chroma 0.190 and its hue 25°. Its hue sits on the warm side of the wheel. The nearest named color is Coral Pink (#FF6163), ΔE 0.010 away. Black text reads best on it, at 7.23:1.
| Hue family | Reds |
| Lightness | medium-light (70%) |
| Chroma | vivid (0.190) |
| Temperature | warm |
| Nearest name | Coral Pink (#FF6163) |
| Black text | 7.23:1 |
| White text | 2.90:1 |
Values
| HEX | #FF645E |
| RGB | rgb(255, 100, 94) |
| HSL | hsl(2, 100%, 68%) |
| OKLCH | oklch(70.1% 0.19 25.5) |
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 #FF645E | 2.90:1 | Fails | Lc -59.8 | Large or bold text, headings |
| Black text on #FF645E | 7.23:1 | AAA | Lc 49.6 | Large or bold text, headings |
| #FF645E text on white | 2.90:1 | Fails | Lc 54.5 | Large or bold text, headings |
| #FF645E text on black | 7.23:1 | 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
#FFF2F1
oklch(97.1% 0.014 22.8)
-
Step 100
100
#FFE2DF
oklch(93.6% 0.032 24.8)
-
Step 200
200
#FFCAC5
oklch(88.4% 0.061 24.6)
-
Step 300
300
#FFA59D
oklch(80.9% 0.108 25.3)
-
Step 400
400 (this color)
#FF645E
oklch(70.1% 0.19 25.5)
-
Step 500
500
#FB2130
oklch(63.2% 0.243 25.6)
-
Step 600
600
#D80021
oklch(55.6% 0.225 25.4)
-
Step 700
700
#B7001A
oklch(49.1% 0.199 25.4)
-
Step 800
800
#980014
oklch(42.8% 0.174 25.4)
-
Step 900
900
#80000F
oklch(37.8% 0.153 25.4)
-
Step 950
950
#4C0609
oklch(26.9% 0.1 25.4)
#FF645E 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) | #8C835C | 0.203 |
| Deuteranopia (no green cones) | #B3A45A | 0.187 |
| Tritanopia (no blue cones) | #FF4364 | 0.057 |
| Achromatopsia (no color) | #989898 | 0.191 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #FF645E
#FF645E
oklch(70.1% 0.19 25.5)
- #00B3C2
#00B3C2
oklch(70% 0.12 205.4)
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 #FF645E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Coral Pink #FF6163 ΔE 0.010
- Grapefruit #FD5956 ΔE 0.020
- Tomato #FF6347 ΔE 0.024
- Orange Pink #FF6F52 ΔE 0.029
- Pinkish Orange #FF724C ΔE 0.039
- Melon #FF7855 ΔE 0.044
- Light Red #FF474C ΔE 0.045
- Salmon Pink #FE7B7C ΔE 0.047
Use #FF645E 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.