#243141
Closest named color: Gunmetal (#293241). oklch(30.9% 0.034 254), rgb(36, 49, 65).
Aa
White text reads best on this color (13.20:1).
About this color
#243141 is a dark, muted blue. In OKLCH its lightness is 31%, its chroma 0.034 and its hue 254°. Its hue sits on the cool side of the wheel. The nearest named color is Gunmetal (#293241), ΔE 0.009 away. White text reads best on it, at 13.20:1.
| Hue family | Blues |
| Lightness | dark (31%) |
| Chroma | muted (0.034) |
| Temperature | cool |
| Nearest name | Gunmetal (#293241) |
| Black text | 1.59:1 |
| White text | 13.20:1 |
Values
| HEX | #243141 |
| RGB | rgb(36, 49, 65) |
| HSL | hsl(213, 29%, 20%) |
| OKLCH | oklch(30.9% 0.034 254) |
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 #243141 | 13.20:1 | AAA | Lc -102.7 | Preferred for body text |
| Black text on #243141 | 1.59:1 | Fails | Lc 0.0 | Not readable |
| #243141 text on white | 13.20:1 | AAA | Lc 99.5 | Preferred for body text |
| #243141 text on black | 1.59:1 | 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
#F3F6F9
oklch(97.2% 0.005 247.9)
-
Step 100
100
#E5EAF2
oklch(93.6% 0.012 259.8)
-
Step 200
200
#CFDAE8
oklch(88.4% 0.023 254.4)
-
Step 300
300
#AFC3DB
oklch(81% 0.04 253.1)
-
Step 400
400
#85A3C8
oklch(70.6% 0.064 253.9)
-
Step 500
500
#668CBB
oklch(63.1% 0.083 254.2)
-
Step 600
600
#4D76A7
oklch(55.7% 0.089 253.6)
-
Step 700
700
#3E638F
oklch(49.2% 0.083 253.6)
-
Step 800
800
#335174
oklch(42.8% 0.069 253.1)
-
Step 900
900
#2D435E
oklch(37.7% 0.054 254.1)
-
Step 950
950 (this color)
#243141
oklch(30.9% 0.034 254)
#243141 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) | #2B3242 | 0.012 |
| Deuteranopia (no green cones) | #282F41 | 0.009 |
| Tritanopia (no blue cones) | #1A3536 | 0.031 |
| Achromatopsia (no color) | #303030 | 0.034 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #243141
#243141
oklch(30.9% 0.034 254)
- #3A2D1C
#3A2D1C
oklch(30.7% 0.034 73.5)
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 #243141, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Gunmetal #293241 ΔE 0.009
- Space Cadet #2B2D42 ΔE 0.017
- Dark Blue Grey #1F3B4D ΔE 0.034
- Midnight Green #073B4C ΔE 0.039
- Prussian Blue #1D3557 ΔE 0.039
- Oxford Blue #1B263B ΔE 0.041
- Onyx #343A40 ΔE 0.042
- Dark #1B2431 ΔE 0.051
Use #243141 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.