#223642
Closest named color: Gunmetal (#293241). oklch(32.1% 0.033 235.6), rgb(34, 54, 66).
Aa
White text reads best on this color (12.54:1).
About this color
#223642 is a dark, muted blue. In OKLCH its lightness is 32%, its chroma 0.033 and its hue 236°. 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 12.54:1.
| Hue family | Blues |
| Lightness | dark (32%) |
| Chroma | muted (0.033) |
| Temperature | cool |
| Nearest name | Gunmetal (#293241) |
| Black text | 1.67:1 |
| White text | 12.54:1 |
Values
| HEX | #223642 |
| RGB | rgb(34, 54, 66) |
| HSL | hsl(203, 32%, 20%) |
| OKLCH | oklch(32.1% 0.033 235.6) |
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 #223642 | 12.54:1 | AAA | Lc -101.8 | Preferred for body text |
| Black text on #223642 | 1.67:1 | Fails | Lc 0.0 | Not readable |
| #223642 text on white | 12.54:1 | AAA | Lc 98.4 | Preferred for body text |
| #223642 text on black | 1.67:1 | 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
#F2F6F8
oklch(97.1% 0.005 228.8)
-
Step 100
100
#E3EBF1
oklch(93.6% 0.012 239.9)
-
Step 200
200
#CCDCE6
oklch(88.5% 0.022 235)
-
Step 300
300
#A9C5D7
oklch(80.8% 0.04 236.2)
-
Step 400
400
#7AA7C3
oklch(70.6% 0.063 236.2)
-
Step 500
500
#5691B4
oklch(63% 0.081 236.1)
-
Step 600
600
#397BA0
oklch(55.6% 0.088 236)
-
Step 700
700
#2A6889
oklch(49.2% 0.082 235.2)
-
Step 800
800
#25556F
oklch(42.8% 0.067 235.1)
-
Step 900
900
#23465A
oklch(37.7% 0.053 235.6)
-
Step 950
950 (this color)
#223642
oklch(32.1% 0.033 235.6)
#223642 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) | #303643 | 0.021 |
| Deuteranopia (no green cones) | #2C3242 | 0.019 |
| Tritanopia (no blue cones) | #15393A | 0.025 |
| Achromatopsia (no color) | #333333 | 0.033 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #223642
#223642
oklch(32.1% 0.033 235.6)
- #412F23
#412F23
oklch(32.2% 0.033 54.9)
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 #223642, 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
- Midnight Green #073B4C ΔE 0.027
- Onyx #343A40 ΔE 0.032
- Space Cadet #2B2D42 ΔE 0.032
- Prussian Blue #1D3557 ΔE 0.039
- Charcoal #264653 ΔE 0.055
- Oxford Blue #1B263B ΔE 0.056
Use #223642 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.