#2D4956
Closest named color: Charcoal (#264653). oklch(38.9% 0.04 229), rgb(45, 73, 86).
Aa
White text reads best on this color (9.54:1).
About this color
#2D4956 is a dark, muted teal or cyan. In OKLCH its lightness is 39%, its chroma 0.040 and its hue 229°. Its hue sits on the cool side of the wheel. The nearest named color is Charcoal (#264653), ΔE 0.014 away. White text reads best on it, at 9.54:1.
| Hue family | Teals and cyans |
| Lightness | dark (39%) |
| Chroma | muted (0.040) |
| Temperature | cool |
| Nearest name | Charcoal (#264653) |
| Black text | 2.19:1 |
| White text | 9.54:1 |
Values
| HEX | #2D4956 |
| RGB | rgb(45, 73, 86) |
| HSL | hsl(199, 31%, 26%) |
| OKLCH | oklch(38.9% 0.04 229) |
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 #2D4956 | 9.54:1 | AAA | Lc -96.3 | Preferred for body text |
| Black text on #2D4956 | 2.19:1 | Fails | Lc 11.9 | Not readable |
| #2D4956 text on white | 9.54:1 | AAA | Lc 92.0 | Preferred for body text |
| #2D4956 text on black | 2.19:1 | Fails | Lc -10.4 | 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
#F3F6F8
oklch(97.1% 0.004 236.5)
-
Step 100
100
#E4EBEE
oklch(93.6% 0.009 225.1)
-
Step 200
200
#CEDCE2
oklch(88.6% 0.017 225.2)
-
Step 300
300
#ADC5D0
oklch(80.9% 0.03 227.1)
-
Step 400
400
#82A7B9
oklch(70.7% 0.048 229.2)
-
Step 500
500
#6191A8
oklch(63.1% 0.062 229.6)
-
Step 600
600
#467B93
oklch(55.6% 0.068 229)
-
Step 700
700
#38687D
oklch(49.2% 0.062 228.4)
-
Step 800
800
#2F5566
oklch(42.9% 0.052 228.7)
-
Step 900
900 (this color)
#2D4956
oklch(38.9% 0.04 229)
-
Step 950
950
#192930
oklch(27% 0.025 227.2)
#2D4956 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) | #424857 | 0.029 |
| Deuteranopia (no green cones) | #3C4356 | 0.026 |
| Tritanopia (no blue cones) | #1B4D4D | 0.030 |
| Achromatopsia (no color) | #454545 | 0.040 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2D4956
#2D4956
oklch(38.9% 0.04 229)
- #573E31
#573E31
oklch(38.8% 0.041 48.6)
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 #2D4956, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Charcoal #264653 ΔE 0.014
- Dark Grey Blue #29465B ΔE 0.016
- Dark Slate Gray #2F4F4F ΔE 0.027
- Charcoal Grey #3C4142 ΔE 0.038
- Dark Teal #014D4E ΔE 0.038
- Deep Teal #00555A ΔE 0.044
- Dark Blue Grey #1F3B4D ΔE 0.051
- Onyx #343A40 ΔE 0.052
Use #2D4956 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.