#1C2F73#1C2F73

#1C2F73 is a dark, moderate blue. Relative luminance 0.035; OKLCH L 33.4% C 0.120 H 267.6°. Best body text is #FFFFFF at 12.33:1 contrast (WCAG AA passes).

Color values

HEX	#1C2F73
RGB	rgb(28, 47, 115)
HSL	hsl(227, 61%, 28%)
HSV	hsv(227, 76%, 45%)
CMYK	cmyk(75.7%, 59.1%, 0%, 54.9%)
CIE-LAB	lab(22.01, 18.24, -41.43)
CIE-LCH	lch(22.01, 45.27, 293.77°)
OKLab	oklab(33.45% -0.005 -0.1194)
OKLCH	oklch(33.45% 0.12 267.6)
XYZ	xyz(4.5888, 3.5172, 16.6534)
Luminance	0.0352 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C2F73 #73601C

analogous

#1C5A73 #1C2F73 #351C73

triadic

#1C2F73 #731C2F #2F731C

tetradic

#1C2F73 #731C5A #73601C #1C7335

square

#1C2F73 #731C5A #73601C #1C7335

split-complementary

#1C2F73 #73351C #5A731C

monochromatic

#060A19 #101B42 #1C2F73 #2843A4 #3A5BCF

Accessibility & contrast

On white

12.33

#1C2F73 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.70

#1C2F73 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C2F73

12.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C2F73	#FFFFFF	#000000	##FFFFFF
##1C2F73	1.00	12.33	1.70	12.33
#FFFFFF	12.33	1.00	21.00	1.00
#000000	1.70	21.00	1.00	21.00
##FFFFFF	12.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003975

Deuteranopia (green-blind)

#003172

Tritanopia (blue-blind)

#00404C

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #1c2f73;
/* rgb */ color: rgb(28, 47, 115);
/* oklch */ color: oklch(33.4% 0.120 267.6);

Tailwind

colors: {
  custom: {
    50: '#66679c',
    500: '#1c2f73',
    950: '#000000',
  },
}

SCSS

$custom: #1c2f73;
$custom-light: #66679c;
$custom-dark: #000000;

JSON

{
  "hex": "#1c2f73",
  "rgb": {
    "r": 28,
    "g": 47,
    "b": 115
  },
  "hsl": {
    "h": 226.897,
    "s": 60.839,
    "l": 28.039
  },
  "oklch": {
    "l": 0.33447,
    "c": 0.11953,
    "h": 267.6
  },
  "luminance": 0.03518
}

Semantic roles & 50–950 ramp

primary

#1C2F73

secondary

#A79243

accent

#C144E4

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06060E

muted

#7A7A7E

Preview Lab

Preview with #1C2F73

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

Preview Lab → · Contrast checker → · Palette generator →