#243741
Closest named color: Gunmetal (#293241). oklch(32.5% 0.03 231.8), rgb(36, 55, 65).
Aa
White text reads best on this color (12.36:1).
About this color
#243741 is a dark, muted blue. In OKLCH its lightness is 32%, its chroma 0.030 and its hue 232°. Its hue sits on the cool side of the wheel. The nearest named color is Gunmetal (#293241), ΔE 0.018 away. White text reads best on it, at 12.36:1.
| Hue family | Blues |
| Lightness | dark (32%) |
| Chroma | muted (0.030) |
| Temperature | cool |
| Nearest name | Gunmetal (#293241) |
| Black text | 1.69:1 |
| White text | 12.36:1 |
Values
| HEX | #243741 |
| RGB | rgb(36, 55, 65) |
| HSL | hsl(201, 29%, 20%) |
| OKLCH | oklch(32.5% 0.03 231.8) |
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 #243741 | 12.36:1 | AAA | Lc -101.6 | Preferred for body text |
| Black text on #243741 | 1.69:1 | Fails | Lc 0.0 | Not readable |
| #243741 text on white | 12.36:1 | AAA | Lc 98.1 | Preferred for body text |
| #243741 text on black | 1.69:1 | 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 900.
-
Step 50
50
#F3F6F7
oklch(97.1% 0.003 219.5)
-
Step 100
100
#E6EBED
oklch(93.7% 0.006 223.5)
-
Step 200
200
#D1DBE0
oklch(88.5% 0.013 228.9)
-
Step 300
300
#B3C4CD
oklch(81% 0.023 230.6)
-
Step 400
400
#8BA5B4
oklch(70.7% 0.036 233.3)
-
Step 500
500
#6D8FA1
oklch(63.1% 0.047 231.5)
-
Step 600
600
#55798C
oklch(55.6% 0.05 231.8)
-
Step 700
700
#456677
oklch(49.2% 0.047 231.4)
-
Step 800
800
#395361
oklch(42.7% 0.039 232.4)
-
Step 900
900 (this color)
#243741
oklch(32.5% 0.03 231.8)
-
Step 950
950
#1D282E
oklch(26.9% 0.019 232.2)
#243741 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) | #323642 | 0.021 |
| Deuteranopia (no green cones) | #2E3341 | 0.019 |
| Tritanopia (no blue cones) | #193A3A | 0.023 |
| Achromatopsia (no color) | #343434 | 0.030 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #243741
#243741
oklch(32.5% 0.03 231.8)
- #413026
#413026
oklch(32.6% 0.03 51.8)
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 #243741, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Gunmetal #293241 ΔE 0.018
- Dark Blue Grey #1F3B4D ΔE 0.022
- Onyx #343A40 ΔE 0.027
- Midnight Green #073B4C ΔE 0.029
- Space Cadet #2B2D42 ΔE 0.035
- Prussian Blue #1D3557 ΔE 0.043
- Charcoal Grey #3C4142 ΔE 0.052
- Charcoal #264653 ΔE 0.052
Use #243741 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.