#1C2650
Closest named color: Marine (#042E60). oklch(28.5% 0.078 270.7), rgb(28, 38, 80).
Aa
White text reads best on this color (14.55:1).
About this color
#1C2650 is a dark, moderately saturated blue. In OKLCH its lightness is 28%, its chroma 0.078 and its hue 271°. Its hue sits on the cool side of the wheel. The nearest named color is Marine (#042E60), ΔE 0.038 away. White text reads best on it, at 14.55:1.
| Hue family | Blues |
| Lightness | dark (28%) |
| Chroma | moderately saturated (0.078) |
| Temperature | cool |
| Nearest name | Marine (#042E60) |
| Black text | 1.44:1 |
| White text | 14.55:1 |
Values
| HEX | #1C2650 |
| RGB | rgb(28, 38, 80) |
| HSL | hsl(228, 48%, 21%) |
| OKLCH | oklch(28.5% 0.078 270.7) |
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 #1C2650 | 14.55:1 | AAA | Lc -104.1 | Preferred for body text |
| Black text on #1C2650 | 1.44:1 | Fails | Lc 0.0 | Not readable |
| #1C2650 text on white | 14.55:1 | AAA | Lc 101.2 | Preferred for body text |
| #1C2650 text on black | 1.44:1 | 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
#E3E9FC
oklch(93.5% 0.027 271.9)
-
Step 200
200
#CCD8FC
oklch(88.5% 0.051 270.8)
-
Step 300
300
#AABEFD
oklch(80.9% 0.092 270.6)
-
Step 400
400
#7F99FC
oklch(70.6% 0.148 271.1)
-
Step 500
500
#617CF9
oklch(63% 0.188 270.9)
-
Step 600
600
#4A62E8
oklch(55.6% 0.203 270.6)
-
Step 700
700
#3C50CA
oklch(49.2% 0.189 270.6)
-
Step 800
800
#3142A3
oklch(42.6% 0.157 270.7)
-
Step 900
900
#2A3982
oklch(37.6% 0.124 270.6)
-
Step 950
950 (this color)
#1C2650
oklch(28.5% 0.078 270.7)
#1C2650 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) | #112B52 | 0.018 |
| Deuteranopia (no green cones) | #09274F | 0.021 |
| Tritanopia (no blue cones) | #002F37 | 0.067 |
| Achromatopsia (no color) | #292929 | 0.078 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1C2650
#1C2650
oklch(28.5% 0.078 270.7)
- #352800
#352800
oklch(28.4% 0.058 89.8)
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 #1C2650, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Marine #042E60 ΔE 0.038
- Oxford Blue #1B263B ΔE 0.039
- Space Cadet #2B2D42 ΔE 0.045
- Prussian Blue #1D3557 ΔE 0.047
- Gunmetal #293241 ΔE 0.058
- Dark #1B2431 ΔE 0.058
- Marine Blue #01386A ΔE 0.066
- Midnight Blue #191970 ΔE 0.066
Use #1C2650 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.