#273468
Closest named color: Marine Blue (#01386A). oklch(34.3% 0.092 270.4), rgb(39, 52, 104).
Aa
White text reads best on this color (11.81:1).
About this color
#273468 is a dark, moderately saturated blue. In OKLCH its lightness is 34%, its chroma 0.092 and its hue 270°. Its hue sits on the cool side of the wheel. The nearest named color is Marine Blue (#01386A), ΔE 0.032 away. White text reads best on it, at 11.81:1.
| Hue family | Blues |
| Lightness | dark (34%) |
| Chroma | moderately saturated (0.092) |
| Temperature | cool |
| Nearest name | Marine Blue (#01386A) |
| Black text | 1.77:1 |
| White text | 11.81:1 |
Values
| HEX | #273468 |
| RGB | rgb(39, 52, 104) |
| HSL | hsl(228, 45%, 28%) |
| OKLCH | oklch(34.3% 0.092 270.4) |
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 #273468 | 11.81:1 | AAA | Lc -100.5 | Preferred for body text |
| Black text on #273468 | 1.77:1 | Fails | Lc 0.0 | Not readable |
| #273468 text on white | 11.81:1 | AAA | Lc 96.9 | Preferred for body text |
| #273468 text on black | 1.77:1 | 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
#F3F5FC
oklch(97.1% 0.01 273.4)
-
Step 100
100
#E5EAF8
oklch(93.7% 0.02 270.2)
-
Step 200
200
#CFD8F3
oklch(88.4% 0.038 271)
-
Step 300
300
#AFBFEE
oklch(80.9% 0.069 270.1)
-
Step 400
400
#869DE6
oklch(70.8% 0.11 270.1)
-
Step 500
500
#6982DE
oklch(63% 0.141 270.5)
-
Step 600
600
#526ACC
oklch(55.6% 0.153 270.4)
-
Step 700
700
#4358B1
oklch(49.2% 0.143 270.4)
-
Step 800
800
#37488F
oklch(42.6% 0.119 270.5)
-
Step 900
900 (this color)
#273468
oklch(34.3% 0.092 270.4)
-
Step 950
950
#1C2443
oklch(27% 0.059 271.1)
#273468 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) | #1B3B6A | 0.023 |
| Deuteranopia (no green cones) | #113567 | 0.024 |
| Tritanopia (no blue cones) | #004049 | 0.081 |
| Achromatopsia (no color) | #373737 | 0.092 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #273468
#273468
oklch(34.3% 0.092 270.4)
- #473700
#473700
oklch(34.5% 0.07 90.6)
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 #273468, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Marine Blue #01386A ΔE 0.032
- Prussian Blue #1D3557 ΔE 0.034
- Marine #042E60 ΔE 0.044
- Twilight Blue #0A437A ΔE 0.051
- Dark Blue Grey #1F3B4D ΔE 0.058
- Dark Grey Blue #29465B ΔE 0.066
- Midnight Green #073B4C ΔE 0.066
- Space Cadet #2B2D42 ΔE 0.067
Use #273468 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.