#2B443D
Closest named color: Charcoal Grey (#3C4142). oklch(36.4% 0.033 174.9), rgb(43, 68, 61).
Aa
White text reads best on this color (10.51:1).
About this color
#2B443D is a dark, muted teal or cyan. In OKLCH its lightness is 36%, its chroma 0.033 and its hue 175°. Its hue sits on the cool side of the wheel. The nearest named color is Charcoal Grey (#3C4142), ΔE 0.029 away. White text reads best on it, at 10.51:1.
| Hue family | Teals and cyans |
| Lightness | dark (36%) |
| Chroma | muted (0.033) |
| Temperature | cool |
| Nearest name | Charcoal Grey (#3C4142) |
| Black text | 1.99:1 |
| White text | 10.51:1 |
Values
| HEX | #2B443D |
| RGB | rgb(43, 68, 61) |
| HSL | hsl(163, 23%, 22%) |
| OKLCH | oklch(36.4% 0.033 174.9) |
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 #2B443D | 10.51:1 | AAA | Lc -98.3 | Preferred for body text |
| Black text on #2B443D | 1.99:1 | Fails | Lc 9.6 | Not readable |
| #2B443D text on white | 10.51:1 | AAA | Lc 94.4 | Preferred for body text |
| #2B443D text on black | 1.99:1 | Fails | Lc -8.2 | 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
#F3F6F5
oklch(97.1% 0.003 174.5)
-
Step 100
100
#E5EBE9
oklch(93.5% 0.007 174.4)
-
Step 200
200
#D0DCD8
oklch(88.4% 0.014 174.1)
-
Step 300
300
#B1C6BF
oklch(80.9% 0.025 173.7)
-
Step 400
400
#87A99F
oklch(70.6% 0.04 175.3)
-
Step 500
500
#699488
oklch(63.2% 0.05 175.4)
-
Step 600
600
#4F7E71
oklch(55.5% 0.056 174.8)
-
Step 700
700
#406A5F
oklch(49% 0.051 175.6)
-
Step 800
800
#35574E
oklch(42.8% 0.043 175.6)
-
Step 900
900 (this color)
#2B443D
oklch(36.4% 0.033 174.9)
-
Step 950
950
#1B2A26
oklch(27% 0.022 176.2)
#2B443D 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) | #42413D | 0.035 |
| Deuteranopia (no green cones) | #3E3E3D | 0.033 |
| Tritanopia (no blue cones) | #244542 | 0.010 |
| Achromatopsia (no color) | #3F3F3F | 0.033 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2B443D
#2B443D
oklch(36.4% 0.033 174.9)
- #4D373F
#4D373F
oklch(36.4% 0.034 355.3)
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 #2B443D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Charcoal Grey #3C4142 ΔE 0.029
- Charcoal #264653 ΔE 0.037
- Onyx #343A40 ΔE 0.037
- Dark Teal #014D4E ΔE 0.040
- Dark Slate Gray #2F4F4F ΔE 0.041
- Dark Blue Green #005249 ΔE 0.048
- Dark Blue Grey #1F3B4D ΔE 0.050
- Evergreen #05472A ΔE 0.051
Use #2B443D 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.