#45312D
Closest named color: Onyx (#343A40). oklch(33.5% 0.03 31.5), rgb(69, 49, 45).
Aa
White text reads best on this color (12.13:1).
About this color
#45312D is a dark, muted red. In OKLCH its lightness is 33%, its chroma 0.030 and its hue 31°. Its hue sits on the warm side of the wheel. The nearest named color is Onyx (#343A40), ΔE 0.043 away. White text reads best on it, at 12.13:1.
| Hue family | Reds |
| Lightness | dark (33%) |
| Chroma | muted (0.030) |
| Temperature | warm |
| Nearest name | Onyx (#343A40) |
| Black text | 1.73:1 |
| White text | 12.13:1 |
Values
| HEX | #45312D |
| RGB | rgb(69, 49, 45) |
| HSL | hsl(10, 21%, 22%) |
| OKLCH | oklch(33.5% 0.03 31.5) |
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 #45312D | 12.13:1 | AAA | Lc -101.2 | Preferred for body text |
| Black text on #45312D | 1.73:1 | Fails | Lc 0.0 | Not readable |
| #45312D text on white | 12.13:1 | AAA | Lc 97.7 | Preferred for body text |
| #45312D text on black | 1.73:1 | 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
#F7F5F4
oklch(97.1% 0.003 48.7)
-
Step 100
100
#EEE8E7
oklch(93.5% 0.007 28.8)
-
Step 200
200
#E1D6D4
oklch(88.4% 0.012 29.9)
-
Step 300
300
#CFBCB8
oklch(81% 0.022 31.8)
-
Step 400
400
#B69993
oklch(70.7% 0.036 31.7)
-
Step 500
500
#A48078
oklch(63.2% 0.046 32.7)
-
Step 600
600
#8F6961
oklch(55.7% 0.051 32.1)
-
Step 700
700
#795750
oklch(49.1% 0.047 31.9)
-
Step 800
800
#634742
oklch(42.7% 0.04 30.2)
-
Step 900
900 (this color)
#45312D
oklch(33.5% 0.03 31.5)
-
Step 950
950
#2F2321
oklch(27% 0.019 29.3)
#45312D 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) | #35332D | 0.030 |
| Deuteranopia (no green cones) | #3A372D | 0.027 |
| Tritanopia (no blue cones) | #4A2E30 | 0.015 |
| Achromatopsia (no color) | #363636 | 0.030 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #45312D
#45312D
oklch(33.5% 0.03 31.5)
- #243B40
#243B40
oklch(33.5% 0.03 212.8)
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 #45312D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Onyx #343A40 ΔE 0.043
- Charcoal Grey #3C4142 ΔE 0.052
- Gunmetal #293241 ΔE 0.058
- Space Cadet #2B2D42 ΔE 0.064
- Pakistan Green #283618 ΔE 0.069
- Dark Blue Grey #1F3B4D ΔE 0.075
- Chocolate Brown #411900 ΔE 0.079
- Purple Brown #673A3F ΔE 0.079
Use #45312D 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.