#400E03
Closest named color: Deep Brown (#410200). oklch(25.1% 0.08 35.2), rgb(64, 14, 3).
Aa
White text reads best on this color (16.37:1).
About this color
#400E03 is a dark, moderately saturated red. In OKLCH its lightness is 25%, its chroma 0.080 and its hue 35°. Its hue sits on the warm side of the wheel. The nearest named color is Deep Brown (#410200), ΔE 0.020 away. White text reads best on it, at 16.37:1.
| Hue family | Reds |
| Lightness | dark (25%) |
| Chroma | moderately saturated (0.080) |
| Temperature | warm |
| Nearest name | Deep Brown (#410200) |
| Black text | 1.28:1 |
| White text | 16.37:1 |
Values
| HEX | #400E03 |
| RGB | rgb(64, 14, 3) |
| HSL | hsl(11, 91%, 13%) |
| OKLCH | oklch(25.1% 0.08 35.2) |
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 #400E03 | 16.37:1 | AAA | Lc -105.3 | Preferred for body text |
| Black text on #400E03 | 1.28:1 | Fails | Lc 0.0 | Not readable |
| #400E03 text on white | 16.37:1 | AAA | Lc 102.7 | Preferred for body text |
| #400E03 text on black | 1.28:1 | Fails | Lc 0.0 | Not readable |
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 950.
-
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
#FACEC2
oklch(88.6% 0.053 35.7)
-
Step 300
300
#F7AB97
oklch(80.9% 0.095 35.4)
-
Step 400
400
#EF795C
oklch(70.6% 0.152 34.9)
-
Step 500
500
#E64F28
oklch(63% 0.194 35.1)
-
Step 600
600
#CB3400
oklch(55.5% 0.194 35.2)
-
Step 700
700
#AC2B00
oklch(49.1% 0.171 35.3)
-
Step 800
800
#8E2100
oklch(42.6% 0.149 35.1)
-
Step 900
900
#761E05
oklch(37.7% 0.126 35.2)
-
Step 950
950 (this color)
#400E03
oklch(25.1% 0.08 35.2)
#400E03 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) | #1D1802 | 0.082 |
| Deuteranopia (no green cones) | #292402 | 0.076 |
| Tritanopia (no blue cones) | #47010C | 0.030 |
| Achromatopsia (no color) | #202020 | 0.081 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #400E03
#400E03
oklch(25.1% 0.08 35.2)
- #00272F
#00272F
oklch(25.1% 0.044 214.9)
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 #400E03, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Brown #410200 ΔE 0.020
- Mahogany #4A0100 ΔE 0.027
- Chocolate Brown #411900 ΔE 0.028
- Dark Maroon #3C0008 ΔE 0.035
- Dark Brown #341C02 ΔE 0.043
- Dark Plum #3F012C ΔE 0.081
- Jet #212529 ΔE 0.089
- Aubergine #3D0734 ΔE 0.090
Use #400E03 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.