#1C2E73#1C2E73

#1C2E73 is a dark, vivid blue. Relative luminance 0.034; OKLCH L 33.2% C 0.121 H 268.0°. Best body text is #FFFFFF at 12.44:1 contrast (WCAG AA passes).

Color values

HEX	#1C2E73
RGB	rgb(28, 46, 115)
HSL	hsl(228, 61%, 28%)
HSV	hsv(228, 76%, 45%)
CMYK	cmyk(75.7%, 60%, 0%, 54.9%)
CIE-LAB	lab(21.72, 18.95, -41.90)
CIE-LCH	lch(21.72, 45.98, 294.34°)
OKLab	oklab(33.23% -0.0042 -0.1208)
OKLCH	oklch(33.23% 0.121 268)
XYZ	xyz(4.5493, 3.4382, 16.6402)
Luminance	0.0344 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C2E73 #73611C

analogous

#1C5973 #1C2E73 #351C73

triadic

#1C2E73 #731C2E #2E731C

tetradic

#1C2E73 #731C59 #73611C #1C7335

square

#1C2E73 #731C59 #73611C #1C7335

split-complementary

#1C2E73 #73351C #59731C

monochromatic

#060A19 #101A42 #1C2E73 #2842A4 #3A59CF

Accessibility & contrast

On white

12.44

#1C2E73 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.69

#1C2E73 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C2E73

12.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C2E73	#FFFFFF	#000000	##FFFFFF
##1C2E73	1.00	12.44	1.69	12.44
#FFFFFF	12.44	1.00	21.00	1.00
#000000	1.69	21.00	1.00	21.00
##FFFFFF	12.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003875

Deuteranopia (green-blind)

#003072

Tritanopia (blue-blind)

#003F4B

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #1c2e73;
/* rgb */ color: rgb(28, 46, 115);
/* oklch */ color: oklch(33.2% 0.121 268.0);

Tailwind

colors: {
  custom: {
    50: '#66669c',
    500: '#1c2e73',
    950: '#000000',
  },
}

SCSS

$custom: #1c2e73;
$custom-light: #66669c;
$custom-dark: #000000;

JSON

{
  "hex": "#1c2e73",
  "rgb": {
    "r": 28,
    "g": 46,
    "b": 115
  },
  "hsl": {
    "h": 227.586,
    "s": 60.839,
    "l": 28.039
  },
  "oklch": {
    "l": 0.33232,
    "c": 0.12088,
    "h": 268
  },
  "luminance": 0.03439
}

Semantic roles & 50–950 ramp

primary

#1C2E73

secondary

#A79343

accent

#C344E4

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06050E

muted

#7A7A7E

Preview Lab

Preview with #1C2E73

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

Preview Lab → · Contrast checker → · Palette generator →