#1C2F77#1C2F77

#1C2F77 is a dark, vivid blue. Relative luminance 0.036; OKLCH L 33.8% C 0.125 H 267.8°. Best body text is #FFFFFF at 12.19:1 contrast (WCAG AA passes).

Color values

HEX	#1C2F77
RGB	rgb(28, 47, 119)
HSL	hsl(227, 62%, 29%)
HSV	hsv(227, 76%, 47%)
CMYK	cmyk(76.5%, 60.5%, 0%, 53.3%)
CIE-LAB	lab(22.34, 19.85, -43.44)
CIE-LCH	lch(22.34, 47.76, 294.56°)
OKLab	oklab(33.8% -0.0049 -0.1253)
OKLCH	oklch(33.8% 0.125 267.8)
XYZ	xyz(4.8240, 3.6113, 17.8920)
Luminance	0.0361 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C2F77 #77641C

analogous

#1C5D77 #1C2F77 #371C77

triadic

#1C2F77 #771C2F #2F771C

tetradic

#1C2F77 #771C5D #77641C #1C7737

square

#1C2F77 #771C5D #77641C #1C7737

split-complementary

#1C2F77 #77371C #5D771C

monochromatic

#060A19 #101B45 #1C2F77 #2843A9 #3C5BD1

Accessibility & contrast

On white

12.19

#1C2F77 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.72

#1C2F77 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C2F77

12.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C2F77	#FFFFFF	#000000	##FFFFFF
##1C2F77	1.00	12.19	1.72	12.19
#FFFFFF	12.19	1.00	21.00	1.00
#000000	1.72	21.00	1.00	21.00
##FFFFFF	12.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A79

Deuteranopia (green-blind)

#003176

Tritanopia (blue-blind)

#00414E

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #1c2f77;
/* rgb */ color: rgb(28, 47, 119);
/* oklch */ color: oklch(33.8% 0.125 267.8);

Tailwind

colors: {
  custom: {
    50: '#67679f',
    500: '#1c2f77',
    950: '#000000',
  },
}

SCSS

$custom: #1c2f77;
$custom-light: #67679f;
$custom-dark: #000000;

JSON

{
  "hex": "#1c2f77",
  "rgb": {
    "r": 28,
    "g": 47,
    "b": 119
  },
  "hsl": {
    "h": 227.473,
    "s": 61.905,
    "l": 28.824
  },
  "oklch": {
    "l": 0.33804,
    "c": 0.12541,
    "h": 267.8
  },
  "luminance": 0.03612
}

Semantic roles & 50–950 ramp

primary

#1C2F77

secondary

#AB9644

accent

#C343E5

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#07060E

muted

#7A7A7E

Preview Lab

Preview with #1C2F77

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

Preview Lab → · Contrast checker → · Palette generator →