#1C2E78#1C2E78

#1C2E78 is a dark, vivid blue. Relative luminance 0.036; OKLCH L 33.7% C 0.128 H 268.2°. Best body text is #FFFFFF at 12.27:1 contrast (WCAG AA passes).

Color values

HEX	#1C2E78
RGB	rgb(28, 46, 120)
HSL	hsl(228, 62%, 29%)
HSV	hsv(228, 77%, 47%)
CMYK	cmyk(76.7%, 61.7%, 0%, 52.9%)
CIE-LAB	lab(22.15, 20.96, -44.39)
CIE-LCH	lch(22.15, 49.09, 295.28°)
OKLab	oklab(33.68% -0.004 -0.1281)
OKLCH	oklch(33.68% 0.128 268.2)
XYZ	xyz(4.8449, 3.5564, 18.1968)
Luminance	0.0356 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C2E78 #78661C

analogous

#1C5C78 #1C2E78 #381C78

triadic

#1C2E78 #781C2E #2E781C

tetradic

#1C2E78 #781C5C #78661C #1C7838

square

#1C2E78 #781C5C #78661C #1C7838

split-complementary

#1C2E78 #78381C #5C781C

monochromatic

#060A19 #101B46 #1C2E78 #2841AA #3D5AD2

Accessibility & contrast

On white

12.27

#1C2E78 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.71

#1C2E78 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C2E78

12.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C2E78	#FFFFFF	#000000	##FFFFFF
##1C2E78	1.00	12.27	1.71	12.27
#FFFFFF	12.27	1.00	21.00	1.00
#000000	1.71	21.00	1.00	21.00
##FFFFFF	12.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00397A

Deuteranopia (green-blind)

#003177

Tritanopia (blue-blind)

#00414E

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #1c2e78;
/* rgb */ color: rgb(28, 46, 120);
/* oklch */ color: oklch(33.7% 0.128 268.2);

Tailwind

colors: {
  custom: {
    50: '#6766a0',
    500: '#1c2e78',
    950: '#000000',
  },
}

SCSS

$custom: #1c2e78;
$custom-light: #6766a0;
$custom-dark: #000000;

JSON

{
  "hex": "#1c2e78",
  "rgb": {
    "r": 28,
    "g": 46,
    "b": 120
  },
  "hsl": {
    "h": 228.261,
    "s": 62.162,
    "l": 29.02
  },
  "oklch": {
    "l": 0.33685,
    "c": 0.1282,
    "h": 268.2
  },
  "luminance": 0.03557
}

Semantic roles & 50–950 ramp

primary

#1C2E78

secondary

#AC9844

accent

#C543E5

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#07050F

muted

#7A7A7E

Preview Lab

Preview with #1C2E78

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →