#FA2A00
Closest named color: Vermillion (#F4320C). oklch(63.2% 0.242 31.7), rgb(250, 42, 0).
Aa
Black text reads best on this color (5.39:1).
About this color
#FA2A00 is a medium-light, vivid red. In OKLCH its lightness is 63%, its chroma 0.242 and its hue 32°. Its hue sits on the warm side of the wheel. The nearest named color is Vermillion (#F4320C), ΔE 0.012 away. Black text reads best on it, at 5.39:1.
| Hue family | Reds |
| Lightness | medium-light (63%) |
| Chroma | vivid (0.242) |
| Temperature | warm |
| Nearest name | Vermillion (#F4320C) |
| Black text | 5.39:1 |
| White text | 3.89:1 |
Values
| HEX | #FA2A00 |
| RGB | rgb(250, 42, 0) |
| HSL | hsl(10, 100%, 49%) |
| OKLCH | oklch(63.2% 0.242 31.7) |
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 #FA2A00 | 3.89:1 | AA large text | Lc -69.7 | Content text, not long reading |
| Black text on #FA2A00 | 5.39:1 | AA | Lc 39.9 | Non-text elements, placeholder text |
| #FA2A00 text on white | 3.89:1 | AA large text | Lc 64.2 | Content text, not long reading |
| #FA2A00 text on black | 5.39:1 | AA | Lc -37.5 | 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
#FFF2F0
oklch(97.1% 0.014 28)
-
Step 100
100
#FFE3DD
oklch(93.7% 0.032 32.1)
-
Step 200
200
#FFCBC0
oklch(88.5% 0.061 32.1)
-
Step 300
300
#FFA694
oklch(80.9% 0.109 32)
-
Step 400
400
#FF6B51
oklch(70.7% 0.186 32)
-
Step 500
500 (this color)
#FA2A00
oklch(63.2% 0.242 31.7)
-
Step 600
600
#D32200
oklch(55.6% 0.212 31.7)
-
Step 700
700
#B31B00
oklch(49.2% 0.188 31.7)
-
Step 800
800
#941400
oklch(42.7% 0.164 31.6)
-
Step 900
900
#7C0F00
oklch(37.6% 0.144 31.6)
-
Step 950
950
#4C0801
oklch(26.9% 0.1 31.9)
#FA2A00 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) | #736400 | 0.258 |
| Deuteranopia (no green cones) | #A49100 | 0.230 |
| Tritanopia (no blue cones) | #FF0027 | 0.030 |
| Achromatopsia (no color) | #818181 | 0.243 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #FA2A00
#FA2A00
oklch(63.2% 0.242 31.7)
- #009BB0
#009BB0
oklch(63.3% 0.11 211.5)
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 #FA2A00, closest first.
No curated palette has a color within ΔE 0.04 of #FA2A00.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Vermillion #F4320C ΔE 0.012
- Red #FF0000 ΔE 0.020
- Fire Engine Red #FE0002 ΔE 0.020
- Red Orange #FD3C06 ΔE 0.021
- Bright Red #FF000D ΔE 0.021
- Orangey Red #FA4224 ΔE 0.025
- Tomato Red #EC2D01 ΔE 0.027
- Orangered #FE420F ΔE 0.029
Use #FA2A00 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.