#2A4849
Closest named color: Charcoal (#264653). oklch(37.9% 0.036 198.5), rgb(42, 72, 73).
Aa
White text reads best on this color (9.89:1).
About this color
#2A4849 is a dark, muted teal or cyan. In OKLCH its lightness is 38%, its chroma 0.036 and its hue 198°. Its hue sits on the cool side of the wheel. The nearest named color is Charcoal (#264653), ΔE 0.021 away. White text reads best on it, at 9.89:1.
| Hue family | Teals and cyans |
| Lightness | dark (38%) |
| Chroma | muted (0.036) |
| Temperature | cool |
| Nearest name | Charcoal (#264653) |
| Black text | 2.12:1 |
| White text | 9.89:1 |
Values
| HEX | #2A4849 |
| RGB | rgb(42, 72, 73) |
| HSL | hsl(182, 27%, 23%) |
| OKLCH | oklch(37.9% 0.036 198.5) |
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 #2A4849 | 9.89:1 | AAA | Lc -97.1 | Preferred for body text |
| Black text on #2A4849 | 2.12:1 | Fails | Lc 11.0 | Not readable |
| #2A4849 text on white | 9.89:1 | AAA | Lc 92.9 | Preferred for body text |
| #2A4849 text on black | 2.12:1 | Fails | Lc -9.6 | 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
#F3F6F6
oklch(97.1% 0.003 197.1)
-
Step 100
100
#E4EBEC
oklch(93.5% 0.008 207.1)
-
Step 200
200
#CEDCDD
oklch(88.4% 0.015 202)
-
Step 300
300
#ADC6C7
oklch(80.8% 0.027 199.6)
-
Step 400
400
#82A9AA
oklch(70.7% 0.042 198.2)
-
Step 500
500
#609496
oklch(63.1% 0.055 198.9)
-
Step 600
600
#467E80
oklch(55.6% 0.059 198.6)
-
Step 700
700
#376A6C
oklch(49% 0.055 198.8)
-
Step 800
800
#2E5758
oklch(42.7% 0.046 197.6)
-
Step 900
900 (this color)
#2A4849
oklch(37.9% 0.036 198.5)
-
Step 950
950
#192A2A
oklch(27% 0.023 195.9)
#2A4849 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) | #444549 | 0.037 |
| Deuteranopia (no green cones) | #3F4149 | 0.035 |
| Tritanopia (no blue cones) | #1D4A48 | 0.014 |
| Achromatopsia (no color) | #434343 | 0.036 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2A4849
#2A4849
oklch(37.9% 0.036 198.5)
- #543A3B
#543A3B
oklch(37.8% 0.037 16.4)
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 #2A4849, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Charcoal #264653 ΔE 0.021
- Dark Slate Gray #2F4F4F ΔE 0.024
- Dark Teal #014D4E ΔE 0.029
- Charcoal Grey #3C4142 ΔE 0.030
- Dark Grey Blue #29465B ΔE 0.034
- Dark Blue Green #005249 ΔE 0.040
- Onyx #343A40 ΔE 0.044
- Deep Teal #00555A ΔE 0.046
Use #2A4849 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.