#3A212F
Closest named color: Space Cadet (#2B2D42). oklch(28.6% 0.044 345.6), rgb(58, 33, 47).
Aa
White text reads best on this color (14.59:1).
About this color
#3A212F is a dark, muted red. In OKLCH its lightness is 29%, its chroma 0.044 and its hue 346°. Its hue sits on the warm side of the wheel. The nearest named color is Space Cadet (#2B2D42), ΔE 0.049 away. White text reads best on it, at 14.59:1.
| Hue family | Reds |
| Lightness | dark (29%) |
| Chroma | muted (0.044) |
| Temperature | warm |
| Nearest name | Space Cadet (#2B2D42) |
| Black text | 1.43:1 |
| White text | 14.59:1 |
Values
| HEX | #3A212F |
| RGB | rgb(58, 33, 47) |
| HSL | hsl(326, 27%, 18%) |
| OKLCH | oklch(28.6% 0.044 345.6) |
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 #3A212F | 14.59:1 | AAA | Lc -104.2 | Preferred for body text |
| Black text on #3A212F | 1.43:1 | Fails | Lc 0.0 | Not readable |
| #3A212F text on white | 14.59:1 | AAA | Lc 101.3 | Preferred for body text |
| #3A212F text on black | 1.43:1 | 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
#F9F4F6
oklch(97.2% 0.006 350.8)
-
Step 100
100
#F2E6EC
oklch(93.6% 0.015 345.6)
-
Step 200
200
#E8D2DD
oklch(88.5% 0.028 346)
-
Step 300
300
#DBB4C8
oklch(81% 0.052 346.1)
-
Step 400
400
#C78BAC
oklch(70.6% 0.085 345.4)
-
Step 500
500
#B86E98
oklch(63.2% 0.108 345.5)
-
Step 600
600
#A35582
oklch(55.7% 0.117 345.9)
-
Step 700
700
#8B456E
oklch(49.1% 0.108 345.7)
-
Step 800
800
#71395A
oklch(42.7% 0.09 345.2)
-
Step 900
900
#5C314A
oklch(37.7% 0.071 345.2)
-
Step 950
950 (this color)
#3A212F
oklch(28.6% 0.044 345.6)
#3A212F 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) | #232630 | 0.046 |
| Deuteranopia (no green cones) | #292A2E | 0.042 |
| Tritanopia (no blue cones) | #3D2126 | 0.018 |
| Achromatopsia (no color) | #292929 | 0.045 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3A212F
#3A212F
oklch(28.6% 0.044 345.6)
- #113125
#113125
oklch(28.5% 0.044 166.1)
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 #3A212F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Space Cadet #2B2D42 ΔE 0.049
- Jet #212529 ΔE 0.052
- Dark #1B2431 ΔE 0.058
- Gunmetal #293241 ΔE 0.059
- Oxford Blue #1B263B ΔE 0.060
- Aubergine #3D0734 ΔE 0.064
- Eggplant #380835 ΔE 0.067
- Chocolate Brown #411900 ΔE 0.068
Use #3A212F 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.