#243249
Closest named color: Gunmetal (#293241). oklch(31.6% 0.046 260.1), rgb(36, 50, 73).
Aa
White text reads best on this color (12.90:1).
About this color
#243249 is a dark, muted blue. In OKLCH its lightness is 32%, its chroma 0.046 and its hue 260°. Its hue sits on the cool side of the wheel. The nearest named color is Gunmetal (#293241), ΔE 0.016 away. White text reads best on it, at 12.90:1.
| Hue family | Blues |
| Lightness | dark (32%) |
| Chroma | muted (0.046) |
| Temperature | cool |
| Nearest name | Gunmetal (#293241) |
| Black text | 1.62:1 |
| White text | 12.90:1 |
Values
| HEX | #243249 |
| RGB | rgb(36, 50, 73) |
| HSL | hsl(217, 34%, 21%) |
| OKLCH | oklch(31.6% 0.046 260.1) |
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 #243249 | 12.90:1 | AAA | Lc -102.3 | Preferred for body text |
| Black text on #243249 | 1.62:1 | Fails | Lc 0.0 | Not readable |
| #243249 text on white | 12.90:1 | AAA | Lc 99.0 | Preferred for body text |
| #243249 text on black | 1.62:1 | 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
#F3F6FA
oklch(97.2% 0.006 255.5)
-
Step 100
100
#E4EAF5
oklch(93.6% 0.016 262.8)
-
Step 200
200
#CEDAEE
oklch(88.5% 0.03 260.7)
-
Step 300
300
#ADC2E4
oklch(81% 0.053 260)
-
Step 400
400
#81A2D7
oklch(70.8% 0.086 259.7)
-
Step 500
500
#618ACC
oklch(63.2% 0.11 259.6)
-
Step 600
600
#4872B9
oklch(55.5% 0.121 260.3)
-
Step 700
700
#39609F
oklch(49.2% 0.111 259.6)
-
Step 800
800
#304E81
oklch(42.6% 0.092 260.4)
-
Step 900
900
#2A4168
oklch(37.6% 0.073 260.4)
-
Step 950
950 (this color)
#243249
oklch(31.6% 0.046 260.1)
#243249 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) | #29334A | 0.009 |
| Deuteranopia (no green cones) | #253049 | 0.007 |
| Tritanopia (no blue cones) | #16373A | 0.041 |
| Achromatopsia (no color) | #323232 | 0.046 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #243249
#243249
oklch(31.6% 0.046 260.1)
- #3E2F15
#3E2F15
oklch(31.6% 0.046 79.6)
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 #243249, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Gunmetal #293241 ΔE 0.016
- Space Cadet #2B2D42 ΔE 0.019
- Prussian Blue #1D3557 ΔE 0.025
- Dark Blue Grey #1F3B4D ΔE 0.029
- Midnight Green #073B4C ΔE 0.036
- Onyx #343A40 ΔE 0.044
- Oxford Blue #1B263B ΔE 0.047
- Marine #042E60 ΔE 0.055
Use #243249 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.