#243449
Closest named color: Gunmetal (#293241). oklch(32.1% 0.043 255.5), rgb(36, 52, 73).
Aa
White text reads best on this color (12.63:1).
About this color
#243449 is a dark, muted blue. In OKLCH its lightness is 32%, its chroma 0.043 and its hue 256°. Its hue sits on the cool side of the wheel. The nearest named color is Gunmetal (#293241), ΔE 0.015 away. White text reads best on it, at 12.63:1.
| Hue family | Blues |
| Lightness | dark (32%) |
| Chroma | muted (0.043) |
| Temperature | cool |
| Nearest name | Gunmetal (#293241) |
| Black text | 1.66:1 |
| White text | 12.63:1 |
Values
| HEX | #243449 |
| RGB | rgb(36, 52, 73) |
| HSL | hsl(214, 34%, 21%) |
| OKLCH | oklch(32.1% 0.043 255.5) |
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 #243449 | 12.63:1 | AAA | Lc -102.0 | Preferred for body text |
| Black text on #243449 | 1.66:1 | Fails | Lc 0.0 | Not readable |
| #243449 text on white | 12.63:1 | AAA | Lc 98.6 | Preferred for body text |
| #243449 text on black | 1.66:1 | 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
#F2F6FA
oklch(97.1% 0.007 247.9)
-
Step 100
100
#E3EBF4
oklch(93.7% 0.015 251.2)
-
Step 200
200
#CDDAEC
oklch(88.4% 0.029 256.5)
-
Step 300
300
#ABC3E2
oklch(80.9% 0.051 254.9)
-
Step 400
400
#7EA3D3
oklch(70.6% 0.082 255.2)
-
Step 500
500
#5D8CC8
oklch(63.2% 0.105 255.1)
-
Step 600
600
#4375B5
oklch(55.7% 0.114 255.4)
-
Step 700
700
#34629C
oklch(49.2% 0.106 255.2)
-
Step 800
800
#2C507E
oklch(42.7% 0.087 255.4)
-
Step 900
900
#284365
oklch(37.8% 0.067 254.9)
-
Step 950
950 (this color)
#243449
oklch(32.1% 0.043 255.5)
#243449 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) | #2C354A | 0.013 |
| Deuteranopia (no green cones) | #283149 | 0.011 |
| Tritanopia (no blue cones) | #15393B | 0.039 |
| Achromatopsia (no color) | #333333 | 0.043 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #243449
#243449
oklch(32.1% 0.043 255.5)
- #403019
#403019
oklch(32.1% 0.043 75.3)
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 #243449, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Gunmetal #293241 ΔE 0.015
- Dark Blue Grey #1F3B4D ΔE 0.022
- Space Cadet #2B2D42 ΔE 0.024
- Prussian Blue #1D3557 ΔE 0.025
- Midnight Green #073B4C ΔE 0.031
- Onyx #343A40 ΔE 0.039
- Oxford Blue #1B263B ΔE 0.052
- Marine #042E60 ΔE 0.058
Use #243449 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.