#22303D
Closest named color: Gunmetal (#293241). oklch(30.3% 0.03 247), rgb(34, 48, 61).
Aa
White text reads best on this color (13.47:1).
About this color
#22303D is a dark, muted blue. In OKLCH its lightness is 30%, its chroma 0.030 and its hue 247°. 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 13.47:1.
| Hue family | Blues |
| Lightness | dark (30%) |
| Chroma | muted (0.030) |
| Temperature | cool |
| Nearest name | Gunmetal (#293241) |
| Black text | 1.55:1 |
| White text | 13.47:1 |
Values
| HEX | #22303D |
| RGB | rgb(34, 48, 61) |
| HSL | hsl(209, 28%, 19%) |
| OKLCH | oklch(30.3% 0.03 247) |
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 #22303D | 13.47:1 | AAA | Lc -103.1 | Preferred for body text |
| Black text on #22303D | 1.55:1 | Fails | Lc 0.0 | Not readable |
| #22303D text on white | 13.47:1 | AAA | Lc 99.9 | Preferred for body text |
| #22303D text on black | 1.55:1 | 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
#F3F6F8
oklch(97.1% 0.004 236.5)
-
Step 100
100
#E5EBF1
oklch(93.7% 0.01 247.9)
-
Step 200
200
#CFDBE6
oklch(88.6% 0.02 245.7)
-
Step 300
300
#AFC3D7
oklch(80.8% 0.036 248.3)
-
Step 400
400
#84A5C3
oklch(70.8% 0.057 246.2)
-
Step 500
500
#658EB4
oklch(63.2% 0.073 247.2)
-
Step 600
600
#4B78A0
oklch(55.7% 0.08 246.6)
-
Step 700
700
#3C6489
oklch(49% 0.075 247.8)
-
Step 800
800
#32526F
oklch(42.7% 0.061 247.1)
-
Step 900
900
#2C445A
oklch(37.7% 0.048 247.1)
-
Step 950
950 (this color)
#22303D
oklch(30.3% 0.03 247)
#22303D 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) | #2B303E | 0.014 |
| Deuteranopia (no green cones) | #272D3D | 0.012 |
| Tritanopia (no blue cones) | #193334 | 0.026 |
| Achromatopsia (no color) | #2F2F2F | 0.030 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #22303D
#22303D
oklch(30.3% 0.03 247)
- #392C1E
#392C1E
oklch(30.4% 0.03 68.4)
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 #22303D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Gunmetal #293241 ΔE 0.015
- Space Cadet #2B2D42 ΔE 0.021
- Oxford Blue #1B263B ΔE 0.037
- Dark Blue Grey #1F3B4D ΔE 0.040
- Midnight Green #073B4C ΔE 0.042
- Dark #1B2431 ΔE 0.045
- Jet #212529 ΔE 0.045
- Onyx #343A40 ΔE 0.046
Use #22303D 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.