#F45A3F
Closest named color: Tomato (#FF6347). oklch(66.8% 0.194 32.2), rgb(244, 90, 63).
Aa
Black text reads best on this color (6.38:1).
About this color
#F45A3F is a medium-light, vivid red. In OKLCH its lightness is 67%, its chroma 0.194 and its hue 32°. Its hue sits on the warm side of the wheel. The nearest named color is Tomato (#FF6347), ΔE 0.029 away. Black text reads best on it, at 6.38:1.
| Hue family | Reds |
| Lightness | medium-light (67%) |
| Chroma | vivid (0.194) |
| Temperature | warm |
| Nearest name | Tomato (#FF6347) |
| Black text | 6.38:1 |
| White text | 3.29:1 |
Values
| HEX | #F45A3F |
| RGB | rgb(244, 90, 63) |
| HSL | hsl(9, 89%, 60%) |
| OKLCH | oklch(66.8% 0.194 32.2) |
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 #F45A3F | 3.29:1 | AA large text | Lc -64.7 | Content text, not long reading |
| Black text on #F45A3F | 6.38:1 | AA | Lc 44.8 | Non-text elements, placeholder text |
| #F45A3F text on white | 3.29:1 | AA large text | Lc 59.3 | Large or bold text, headings |
| #F45A3F text on black | 6.38:1 | AA | Lc -42.5 | 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
#FEF3F0
oklch(97.2% 0.013 35.7)
-
Step 100
100
#FCE4DE
oklch(93.7% 0.028 34.3)
-
Step 200
200
#FACDC4
oklch(88.5% 0.053 31.3)
-
Step 300
300
#F8AA9A
oklch(80.9% 0.096 32)
-
Step 400
400
#F07862
oklch(70.7% 0.152 31.8)
-
Step 500
500 (this color)
#F45A3F
oklch(66.8% 0.194 32.2)
-
Step 600
600
#D22500
oklch(55.6% 0.21 32.2)
-
Step 700
700
#B21E00
oklch(49.2% 0.185 32.2)
-
Step 800
800
#931700
oklch(42.7% 0.161 32.2)
-
Step 900
900
#761D0D
oklch(37.7% 0.126 32.5)
-
Step 950
950
#46130A
oklch(27.1% 0.08 32.3)
#F45A3F 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) | #85783B | 0.201 |
| Deuteranopia (no green cones) | #AB9A3A | 0.184 |
| Tritanopia (no blue cones) | #FF3255 | 0.067 |
| Achromatopsia (no color) | #8E8E8E | 0.195 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #F45A3F
#F45A3F
oklch(66.8% 0.194 32.2)
- #00A7BE
#00A7BE
oklch(66.8% 0.116 211.9)
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 #F45A3F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Tomato #FF6347 ΔE 0.029
- Grapefruit #FD5956 ΔE 0.030
- Orange Pant #FB5607 ΔE 0.031
- Blood Orange #FE4B03 ΔE 0.034
- Orangey Red #FA4224 ΔE 0.035
- Bright Orange #FF5B00 ΔE 0.037
- Orange Red #FF4500 ΔE 0.038
- Orangered #FE420F ΔE 0.038
Use #F45A3F 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.