#2D3043
Closest named color: Gunmetal (#293241). oklch(31.5% 0.034 277.3), rgb(45, 48, 67).
Aa
White text reads best on this color (12.99:1).
About this color
#2D3043 is a dark, muted blue. In OKLCH its lightness is 31%, its chroma 0.034 and its hue 277°. Its hue sits on the cool side of the wheel. The nearest named color is Gunmetal (#293241), ΔE 0.010 away. White text reads best on it, at 12.99:1.
| Hue family | Blues |
| Lightness | dark (31%) |
| Chroma | muted (0.034) |
| Temperature | cool |
| Nearest name | Gunmetal (#293241) |
| Black text | 1.61:1 |
| White text | 12.99:1 |
Values
| HEX | #2D3043 |
| RGB | rgb(45, 48, 67) |
| HSL | hsl(232, 20%, 22%) |
| OKLCH | oklch(31.5% 0.034 277.3) |
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 #2D3043 | 12.99:1 | AAA | Lc -102.5 | Preferred for body text |
| Black text on #2D3043 | 1.61:1 | Fails | Lc 0.0 | Not readable |
| #2D3043 text on white | 12.99:1 | AAA | Lc 99.2 | Preferred for body text |
| #2D3043 text on black | 1.61:1 | 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
#E8E9F2
oklch(93.6% 0.012 281.1)
-
Step 200
200
#D5D8E8
oklch(88.5% 0.022 277.5)
-
Step 300
300
#BABFDB
oklch(81% 0.04 277.5)
-
Step 400
400
#969DC9
oklch(70.6% 0.065 277.6)
-
Step 500
500
#7D85BC
oklch(63.2% 0.083 277.4)
-
Step 600
600
#666EA8
oklch(55.6% 0.09 277)
-
Step 700
700
#555C90
oklch(49.2% 0.084 277)
-
Step 800
800
#464B75
oklch(42.7% 0.07 277.8)
-
Step 900
900
#3A3F5E
oklch(37.7% 0.053 276.5)
-
Step 950
950 (this color)
#2D3043
oklch(31.5% 0.034 277.3)
#2D3043 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) | #2A3244 | 0.007 |
| Deuteranopia (no green cones) | #293043 | 0.006 |
| Tritanopia (no blue cones) | #273437 | 0.031 |
| Achromatopsia (no color) | #313131 | 0.034 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2D3043
#2D3043
oklch(31.5% 0.034 277.3)
- #36321D
#36321D
oklch(31.5% 0.035 98.8)
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 #2D3043, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Gunmetal #293241 ΔE 0.010
- Space Cadet #2B2D42 ΔE 0.011
- Dark Blue Grey #1F3B4D ΔE 0.038
- Onyx #343A40 ΔE 0.038
- Prussian Blue #1D3557 ΔE 0.040
- Oxford Blue #1B263B ΔE 0.047
- Midnight Green #073B4C ΔE 0.048
- Dark #1B2431 ΔE 0.058
Use #2D3043 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.