#2B413A
Closest named color: Charcoal Grey (#3C4142). oklch(35.4% 0.03 172.7), rgb(43, 65, 58).
Aa
White text reads best on this color (10.93:1).
About this color
#2B413A is a dark, muted teal or cyan. In OKLCH its lightness is 35%, its chroma 0.030 and its hue 173°. Its hue sits on the cool side of the wheel. The nearest named color is Charcoal Grey (#3C4142), ΔE 0.030 away. White text reads best on it, at 10.93:1.
| Hue family | Teals and cyans |
| Lightness | dark (35%) |
| Chroma | muted (0.030) |
| Temperature | cool |
| Nearest name | Charcoal Grey (#3C4142) |
| Black text | 1.91:1 |
| White text | 10.93:1 |
Values
| HEX | #2B413A |
| RGB | rgb(43, 65, 58) |
| HSL | hsl(161, 20%, 21%) |
| OKLCH | oklch(35.4% 0.03 172.7) |
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 #2B413A | 10.93:1 | AAA | Lc -99.1 | Preferred for body text |
| Black text on #2B413A | 1.91:1 | Fails | Lc 8.6 | Not readable |
| #2B413A text on white | 10.93:1 | AAA | Lc 95.3 | Preferred for body text |
| #2B413A text on black | 1.91:1 | Fails | Lc -7.4 | 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
#E6EBE9
oklch(93.6% 0.006 170.4)
-
Step 200
200
#D1DCD8
oklch(88.5% 0.013 172.3)
-
Step 300
300
#B3C6BF
oklch(81% 0.023 171.6)
-
Step 400
400
#8AA89E
oklch(70.6% 0.036 173)
-
Step 500
500
#6D9387
oklch(63.1% 0.046 173.3)
-
Step 600
600
#547D70
oklch(55.5% 0.05 172.6)
-
Step 700
700
#446A5E
oklch(49.2% 0.048 172.4)
-
Step 800
800
#38564D
oklch(42.7% 0.039 173.6)
-
Step 900
900 (this color)
#2B413A
oklch(35.4% 0.03 172.7)
-
Step 950
950
#1D2A25
oklch(27.1% 0.02 169.2)
#2B413A 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) | #403E3A | 0.033 |
| Deuteranopia (no green cones) | #3C3B3A | 0.031 |
| Tritanopia (no blue cones) | #25413F | 0.011 |
| Achromatopsia (no color) | #3D3D3D | 0.031 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2B413A
#2B413A
oklch(35.4% 0.03 172.7)
- #49353D
#49353D
oklch(35.4% 0.031 353)
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 #2B413A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Charcoal Grey #3C4142 ΔE 0.030
- Onyx #343A40 ΔE 0.031
- Charcoal #264653 ΔE 0.041
- Dark Blue Grey #1F3B4D ΔE 0.047
- Dark Teal #014D4E ΔE 0.047
- Dark Slate Gray #2F4F4F ΔE 0.051
- Evergreen #05472A ΔE 0.051
- Midnight Green #073B4C ΔE 0.054
Use #2B413A 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.