#621D01
Closest named color: Reddy Brown (#6E1005). oklch(33.8% 0.106 39.4), rgb(98, 29, 1).
Aa
White text reads best on this color (12.38:1).
About this color
#621D01 is a dark, moderately saturated red. In OKLCH its lightness is 34%, its chroma 0.106 and its hue 39°. Its hue sits on the warm side of the wheel. The nearest named color is Reddy Brown (#6E1005), ΔE 0.031 away. White text reads best on it, at 12.38:1.
| Hue family | Reds |
| Lightness | dark (34%) |
| Chroma | moderately saturated (0.106) |
| Temperature | warm |
| Nearest name | Reddy Brown (#6E1005) |
| Black text | 1.69:1 |
| White text | 12.38:1 |
Values
| HEX | #621D01 |
| RGB | rgb(98, 29, 1) |
| HSL | hsl(17, 98%, 19%) |
| OKLCH | oklch(33.8% 0.106 39.4) |
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 #621D01 | 12.38:1 | AAA | Lc -100.9 | Preferred for body text |
| Black text on #621D01 | 1.69:1 | Fails | Lc 0.0 | Not readable |
| #621D01 text on white | 12.38:1 | AAA | Lc 97.3 | Preferred for body text |
| #621D01 text on black | 1.69:1 | 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 900.
-
Step 50
50
#FCF3F0
oklch(97% 0.011 39.4)
-
Step 100
100
#F8E5DF
oklch(93.5% 0.022 38.3)
-
Step 200
200
#F4D0C4
oklch(88.5% 0.044 39.3)
-
Step 300
300
#EEB09B
oklch(81% 0.079 39.5)
-
Step 400
400
#E38362
oklch(70.7% 0.127 39.6)
-
Step 500
500
#D86034
oklch(63.1% 0.162 39.7)
-
Step 600
600
#C44100
oklch(55.6% 0.177 39.3)
-
Step 700
700
#A53600
oklch(49% 0.155 39.6)
-
Step 800
800
#892B00
oklch(42.8% 0.136 39.4)
-
Step 900
900 (this color)
#621D01
oklch(33.8% 0.106 39.4)
-
Step 950
950
#41190A
oklch(27.1% 0.067 40.2)
#621D01 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) | #322B00 | 0.105 |
| Deuteranopia (no green cones) | #433A00 | 0.094 |
| Tritanopia (no blue cones) | #6D0618 | 0.047 |
| Achromatopsia (no color) | #343434 | 0.107 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #621D01
#621D01
oklch(33.8% 0.106 39.4)
- #003E4D
#003E4D
oklch(33.7% 0.061 220.3)
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 #621D01, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Reddy Brown #6E1005 ΔE 0.031
- Chestnut #742802 ΔE 0.049
- Claret #680018 ΔE 0.050
- Blood #770001 ΔE 0.051
- Maroon #800000 ΔE 0.066
- Burgundy #610023 ΔE 0.067
- Wine Red #7B0323 ΔE 0.072
- Chocolate Brown #411900 ΔE 0.078
Use #621D01 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.