#273154
Closest named color: Prussian Blue (#1D3557). oklch(32.2% 0.064 270.4), rgb(39, 49, 84).
Aa
White text reads best on this color (12.69:1).
About this color
#273154 is a dark, muted blue. In OKLCH its lightness is 32%, its chroma 0.064 and its hue 270°. Its hue sits on the cool side of the wheel. The nearest named color is Prussian Blue (#1D3557), ΔE 0.017 away. White text reads best on it, at 12.69:1.
| Hue family | Blues |
| Lightness | dark (32%) |
| Chroma | muted (0.064) |
| Temperature | cool |
| Nearest name | Prussian Blue (#1D3557) |
| Black text | 1.65:1 |
| White text | 12.69:1 |
Values
| HEX | #273154 |
| RGB | rgb(39, 49, 84) |
| HSL | hsl(227, 37%, 24%) |
| OKLCH | oklch(32.2% 0.064 270.4) |
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 #273154 | 12.69:1 | AAA | Lc -102.0 | Preferred for body text |
| Black text on #273154 | 1.65:1 | Fails | Lc 0.0 | Not readable |
| #273154 text on white | 12.69:1 | AAA | Lc 98.7 | Preferred for body text |
| #273154 text on black | 1.65:1 | 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
#F3F5FD
oklch(97.1% 0.011 274.9)
-
Step 100
100
#E4EAF9
oklch(93.7% 0.021 268.4)
-
Step 200
200
#CED8F6
oklch(88.4% 0.043 270.9)
-
Step 300
300
#AEBFF2
oklch(80.9% 0.075 270.3)
-
Step 400
400
#849CEC
oklch(70.7% 0.121 270.4)
-
Step 500
500
#6781E6
oklch(63.1% 0.154 270.6)
-
Step 600
600
#4F68D4
oklch(55.6% 0.168 270.3)
-
Step 700
700
#4156B8
oklch(49.2% 0.156 270.5)
-
Step 800
800
#354795
oklch(42.8% 0.129 270.3)
-
Step 900
900
#2E3C77
oklch(37.7% 0.102 270.8)
-
Step 950
950 (this color)
#273154
oklch(32.2% 0.064 270.4)
#273154 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) | #243555 | 0.013 |
| Deuteranopia (no green cones) | #1F3153 | 0.011 |
| Tritanopia (no blue cones) | #15383E | 0.056 |
| Achromatopsia (no color) | #333333 | 0.064 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #273154
#273154
oklch(32.2% 0.064 270.4)
- #403202
#403202
oklch(32.4% 0.064 91.1)
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 #273154, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Prussian Blue #1D3557 ΔE 0.017
- Space Cadet #2B2D42 ΔE 0.032
- Gunmetal #293241 ΔE 0.036
- Dark Blue Grey #1F3B4D ΔE 0.038
- Marine #042E60 ΔE 0.043
- Midnight Green #073B4C ΔE 0.047
- Marine Blue #01386A ΔE 0.049
- Onyx #343A40 ΔE 0.057
Use #273154 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.