#2C3243
Closest named color: Gunmetal (#293241). oklch(31.9% 0.032 269.5), rgb(44, 50, 67).
Aa
White text reads best on this color (12.77:1).
About this color
#2C3243 is a dark, muted blue. In OKLCH its lightness is 32%, its chroma 0.032 and its hue 269°. Its hue sits on the cool side of the wheel. The nearest named color is Gunmetal (#293241), ΔE 0.006 away. White text reads best on it, at 12.77:1.
| Hue family | Blues |
| Lightness | dark (32%) |
| Chroma | muted (0.032) |
| Temperature | cool |
| Nearest name | Gunmetal (#293241) |
| Black text | 1.64:1 |
| White text | 12.77:1 |
Values
| HEX | #2C3243 |
| RGB | rgb(44, 50, 67) |
| HSL | hsl(224, 21%, 22%) |
| OKLCH | oklch(31.9% 0.032 269.5) |
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 #2C3243 | 12.77:1 | AAA | Lc -102.2 | Preferred for body text |
| Black text on #2C3243 | 1.64:1 | Fails | Lc 0.0 | Not readable |
| #2C3243 text on white | 12.77:1 | AAA | Lc 98.9 | Preferred for body text |
| #2C3243 text on black | 1.64:1 | Fails | Lc 0.0 | 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 950.
-
Step 50
50
#F4F5F9
oklch(97.1% 0.005 275)
-
Step 100
100
#E7EAF1
oklch(93.7% 0.01 267.4)
-
Step 200
200
#D3D9E7
oklch(88.5% 0.02 267.3)
-
Step 300
300
#B7C0DA
oklch(80.9% 0.038 270.4)
-
Step 400
400
#91A0C7
oklch(70.8% 0.06 268.4)
-
Step 500
500
#7788B8
oklch(63.2% 0.075 269.1)
-
Step 600
600
#6071A4
oklch(55.6% 0.082 269.5)
-
Step 700
700
#4F5E8D
oklch(49% 0.078 269.9)
-
Step 800
800
#414D72
oklch(42.6% 0.064 269.8)
-
Step 900
900
#37405C
oklch(37.6% 0.05 270.2)
-
Step 950
950 (this color)
#2C3243
oklch(31.9% 0.032 269.5)
#2C3243 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) | #2D3344 | 0.004 |
| Deuteranopia (no green cones) | #2B3143 | 0.004 |
| Tritanopia (no blue cones) | #263538 | 0.027 |
| Achromatopsia (no color) | #323232 | 0.032 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2C3243
#2C3243
oklch(31.9% 0.032 269.5)
- #393220
#393220
oklch(31.9% 0.031 89.2)
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 #2C3243, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Gunmetal #293241 ΔE 0.006
- Space Cadet #2B2D42 ΔE 0.017
- Dark Blue Grey #1F3B4D ΔE 0.032
- Onyx #343A40 ΔE 0.033
- Prussian Blue #1D3557 ΔE 0.039
- Midnight Green #073B4C ΔE 0.043
- Oxford Blue #1B263B ΔE 0.051
- Charcoal Grey #3C4142 ΔE 0.059
Use #2C3243 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.