#1C2854
Closest named color: Marine (#042E60). oklch(29.3% 0.081 269.4), rgb(28, 40, 84).
Aa
White text reads best on this color (14.18:1).
About this color
#1C2854 is a dark, moderately saturated blue. In OKLCH its lightness is 29%, its chroma 0.081 and its hue 269°. Its hue sits on the cool side of the wheel. The nearest named color is Marine (#042E60), ΔE 0.031 away. White text reads best on it, at 14.18:1.
| Hue family | Blues |
| Lightness | dark (29%) |
| Chroma | moderately saturated (0.081) |
| Temperature | cool |
| Nearest name | Marine (#042E60) |
| Black text | 1.48:1 |
| White text | 14.18:1 |
Values
| HEX | #1C2854 |
| RGB | rgb(28, 40, 84) |
| HSL | hsl(227, 50%, 22%) |
| OKLCH | oklch(29.3% 0.081 269.4) |
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 #1C2854 | 14.18:1 | AAA | Lc -103.7 | Preferred for body text |
| Black text on #1C2854 | 1.48:1 | Fails | Lc 0.0 | Not readable |
| #1C2854 text on white | 14.18:1 | AAA | Lc 100.7 | Preferred for body text |
| #1C2854 text on black | 1.48:1 | 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
#F2F5FE
oklch(97% 0.012 271.3)
-
Step 100
100
#E2EAFD
oklch(93.7% 0.027 267.5)
-
Step 200
200
#CBD8FE
oklch(88.5% 0.054 270.4)
-
Step 300
300
#A8BEFF
oklch(80.9% 0.096 269.8)
-
Step 400
400
#7B9AFF
oklch(70.8% 0.152 269.4)
-
Step 500
500
#5B7CFF
oklch(63.1% 0.198 269.4)
-
Step 600
600
#4461EE
oklch(55.6% 0.214 269.3)
-
Step 700
700
#374FCF
oklch(49.1% 0.198 269.4)
-
Step 800
800
#2D42A7
oklch(42.8% 0.164 269.2)
-
Step 900
900
#273985
oklch(37.7% 0.129 269.2)
-
Step 950
950 (this color)
#1C2854
oklch(29.3% 0.081 269.4)
#1C2854 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) | #122E56 | 0.020 |
| Deuteranopia (no green cones) | #082953 | 0.021 |
| Tritanopia (no blue cones) | #00323A | 0.069 |
| Achromatopsia (no color) | #2B2B2B | 0.081 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1C2854
#1C2854
oklch(29.3% 0.081 269.4)
- #382A00
#382A00
oklch(29.3% 0.06 89.1)
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 #1C2854, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Marine #042E60 ΔE 0.031
- Prussian Blue #1D3557 ΔE 0.041
- Oxford Blue #1B263B ΔE 0.046
- Space Cadet #2B2D42 ΔE 0.046
- Gunmetal #293241 ΔE 0.057
- Marine Blue #01386A ΔE 0.058
- Midnight Blue #191970 ΔE 0.063
- Dark #1B2431 ΔE 0.064
Use #1C2854 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.