#28334D
Closest named color: Gunmetal (#293241). oklch(32.4% 0.049 266.2), rgb(40, 51, 77).
Aa
White text reads best on this color (12.56:1).
About this color
#28334D is a dark, muted blue. In OKLCH its lightness is 32%, its chroma 0.049 and its hue 266°. Its hue sits on the cool side of the wheel. The nearest named color is Gunmetal (#293241), ΔE 0.021 away. White text reads best on it, at 12.56:1.
| Hue family | Blues |
| Lightness | dark (32%) |
| Chroma | muted (0.049) |
| Temperature | cool |
| Nearest name | Gunmetal (#293241) |
| Black text | 1.67:1 |
| White text | 12.56:1 |
Values
| HEX | #28334D |
| RGB | rgb(40, 51, 77) |
| HSL | hsl(222, 32%, 23%) |
| OKLCH | oklch(32.4% 0.049 266.2) |
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 #28334D | 12.56:1 | AAA | Lc -101.9 | Preferred for body text |
| Black text on #28334D | 1.67:1 | Fails | Lc 0.0 | Not readable |
| #28334D text on white | 12.56:1 | AAA | Lc 98.5 | Preferred for body text |
| #28334D 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 900.
-
Step 50
50
#F4F5F9
oklch(97.1% 0.005 275)
-
Step 100
100
#E6EAF1
oklch(93.6% 0.01 261.8)
-
Step 200
200
#D3D9E7
oklch(88.5% 0.02 267.3)
-
Step 300
300
#B6C1D9
oklch(81% 0.036 265.9)
-
Step 400
400
#90A0C6
oklch(70.7% 0.059 267)
-
Step 500
500
#7489B8
oklch(63.2% 0.075 265.7)
-
Step 600
600
#5D72A4
oklch(55.6% 0.082 266.3)
-
Step 700
700
#4D5F8C
oklch(49% 0.076 267)
-
Step 800
800
#3F4E72
oklch(42.7% 0.063 266.5)
-
Step 900
900 (this color)
#28334D
oklch(32.4% 0.049 266.2)
-
Step 950
950
#1F2636
oklch(26.9% 0.032 266.1)
#28334D 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) | #2A354E | 0.007 |
| Deuteranopia (no green cones) | #26324C | 0.005 |
| Tritanopia (no blue cones) | #1B383C | 0.043 |
| Achromatopsia (no color) | #333333 | 0.049 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #28334D
#28334D
oklch(32.4% 0.049 266.2)
- #3F3214
#3F3214
oklch(32.4% 0.049 86)
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 #28334D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Gunmetal #293241 ΔE 0.021
- Prussian Blue #1D3557 ΔE 0.021
- Space Cadet #2B2D42 ΔE 0.024
- Dark Blue Grey #1F3B4D ΔE 0.028
- Midnight Green #073B4C ΔE 0.039
- Onyx #343A40 ΔE 0.042
- Marine #042E60 ΔE 0.055
- Oxford Blue #1B263B ΔE 0.055
Use #28334D 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.