#2C434E
Closest named color: Charcoal (#264653). oklch(36.9% 0.034 229.4), rgb(44, 67, 78).
Aa
White text reads best on this color (10.39:1).
About this color
#2C434E is a dark, muted teal or cyan. In OKLCH its lightness is 37%, its chroma 0.034 and its hue 229°. Its hue sits on the cool side of the wheel. The nearest named color is Charcoal (#264653), ΔE 0.012 away. White text reads best on it, at 10.39:1.
| Hue family | Teals and cyans |
| Lightness | dark (37%) |
| Chroma | muted (0.034) |
| Temperature | cool |
| Nearest name | Charcoal (#264653) |
| Black text | 2.01:1 |
| White text | 10.39:1 |
Values
| HEX | #2C434E |
| RGB | rgb(44, 67, 78) |
| HSL | hsl(199, 28%, 24%) |
| OKLCH | oklch(36.9% 0.034 229.4) |
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 #2C434E | 10.39:1 | AAA | Lc -98.1 | Preferred for body text |
| Black text on #2C434E | 2.01:1 | Fails | Lc 9.8 | Not readable |
| #2C434E text on white | 10.39:1 | AAA | Lc 94.1 | Preferred for body text |
| #2C434E text on black | 2.01:1 | Fails | Lc -8.5 | 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
#F3F6F7
oklch(97.1% 0.003 219.5)
-
Step 100
100
#E5EBEE
oklch(93.6% 0.008 228.9)
-
Step 200
200
#D0DBE1
oklch(88.5% 0.015 231.2)
-
Step 300
300
#B0C4CE
oklch(80.8% 0.026 229.2)
-
Step 400
400
#87A6B5
oklch(70.7% 0.041 228.8)
-
Step 500
500
#6890A3
oklch(63.1% 0.052 229)
-
Step 600
600
#4F7A8E
oklch(55.6% 0.057 229)
-
Step 700
700
#3F6779
oklch(49.2% 0.053 228.4)
-
Step 800
800
#355462
oklch(42.8% 0.043 228.2)
-
Step 900
900 (this color)
#2C434E
oklch(36.9% 0.034 229.4)
-
Step 950
950
#1B292F
oklch(27.1% 0.022 226.4)
#2C434E 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) | #3D424F | 0.025 |
| Deuteranopia (no green cones) | #383E4E | 0.022 |
| Tritanopia (no blue cones) | #1F4646 | 0.025 |
| Achromatopsia (no color) | #404040 | 0.034 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2C434E
#2C434E
oklch(36.9% 0.034 229.4)
- #4F3A2F
#4F3A2F
oklch(36.9% 0.035 48.9)
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 #2C434E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Charcoal #264653 ΔE 0.012
- Dark Grey Blue #29465B ΔE 0.022
- Charcoal Grey #3C4142 ΔE 0.028
- Onyx #343A40 ΔE 0.032
- Dark Blue Grey #1F3B4D ΔE 0.033
- Dark Slate Gray #2F4F4F ΔE 0.040
- Dark Teal #014D4E ΔE 0.042
- Midnight Green #073B4C ΔE 0.046
Use #2C434E 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.