#AE250A
Closest named color: Rufous (#AE2012). oklch(49% 0.176 32.4), rgb(174, 37, 10).
Aa
White text reads best on this color (6.84:1).
About this color
#AE250A is a medium-dark, vivid red. In OKLCH its lightness is 49%, its chroma 0.176 and its hue 32°. Its hue sits on the warm side of the wheel. The nearest named color is Rufous (#AE2012), ΔE 0.008 away. White text reads best on it, at 6.84:1.
| Hue family | Reds |
| Lightness | medium-dark (49%) |
| Chroma | vivid (0.176) |
| Temperature | warm |
| Nearest name | Rufous (#AE2012) |
| Black text | 3.06:1 |
| White text | 6.84:1 |
Values
| HEX | #AE250A |
| RGB | rgb(174, 37, 10) |
| HSL | hsl(10, 89%, 36%) |
| OKLCH | oklch(49% 0.176 32.4) |
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 #AE250A | 6.84:1 | AA | Lc -87.1 | Fine for body text |
| Black text on #AE250A | 3.06:1 | AA large text | Lc 22.0 | Dividers and decoration only |
| #AE250A text on white | 6.84:1 | AA | Lc 82.0 | Fine for body text |
| #AE250A text on black | 3.06:1 | AA large text | Lc -19.8 | Dividers and decoration only |
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 700.
-
Step 50
50
#FDF3F1
oklch(97.1% 0.011 31.1)
-
Step 100
100
#FAE4E0
oklch(93.6% 0.025 29.9)
-
Step 200
200
#F7CEC6
oklch(88.4% 0.048 30.9)
-
Step 300
300
#F2AD9E
oklch(80.9% 0.084 32.6)
-
Step 400
400
#E97E68
oklch(70.8% 0.137 32.8)
-
Step 500
500
#DF573E
oklch(63.1% 0.175 32.5)
-
Step 600
600
#CA351A
oklch(55.5% 0.19 32.4)
-
Step 700
700 (this color)
#AE250A
oklch(49% 0.176 32.4)
-
Step 800
800
#8E220F
oklch(42.8% 0.147 32.3)
-
Step 900
900
#722315
oklch(37.7% 0.114 32.4)
-
Step 950
950
#43160E
oklch(27% 0.072 32.1)
#AE250A 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) | #514702 | 0.189 |
| Deuteranopia (no green cones) | #736500 | 0.168 |
| Tritanopia (no blue cones) | #C00022 | 0.045 |
| Achromatopsia (no color) | #5B5B5B | 0.177 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AE250A
#AE250A
oklch(49% 0.176 32.4)
- #006D7D
#006D7D
oklch(49.1% 0.086 212.3)
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 #AE250A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rufous #AE2012 ΔE 0.008
- Rust Red #AA2704 ΔE 0.009
- Rusty Red #AF2F0D ΔE 0.014
- Firebrick #B22222 ΔE 0.019
- Brown #A52A2A ΔE 0.028
- Burnt Red #9F2305 ΔE 0.033
- Brick #A03623 ΔE 0.033
- Russet #A13905 ΔE 0.037
Use #AE250A 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.