#1C3297#1C3297

#1C3297 is a dark, vivid blue. Relative luminance 0.048; OKLCH L 37.4% C 0.166 H 267.5°. Best body text is #FFFFFF at 10.76:1 contrast (WCAG AA passes).

Color values

HEX	#1C3297
RGB	rgb(28, 50, 151)
HSL	hsl(229, 69%, 35%)
HSV	hsv(229, 81%, 59%)
CMYK	cmyk(81.5%, 66.9%, 0%, 40.8%)
CIE-LAB	lab(26.04, 30.37, -57.38)
CIE-LCH	lch(26.04, 64.92, 297.89°)
OKLab	oklab(37.44% -0.0073 -0.1661)
OKLCH	oklch(37.44% 0.166 267.5)
XYZ	xyz(7.2035, 4.7616, 29.8116)
Luminance	0.0476 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C3297 #97811C

analogous

#1C7097 #1C3297 #431C97

triadic

#1C3297 #971C32 #32971C

tetradic

#1C3297 #971C70 #97811C #1C9743

square

#1C3297 #971C70 #97811C #1C9743

split-complementary

#1C3297 #97431C #70971C

monochromatic

#091030 #122163 #1C3297 #2643CB #4F69DE

Accessibility & contrast

On white

10.76

#1C3297 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.95

#1C3297 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C3297

10.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C3297	#FFFFFF	#000000	##FFFFFF
##1C3297	1.00	10.76	1.95	10.76
#FFFFFF	10.76	1.00	21.00	1.00
#000000	1.95	21.00	1.00	21.00
##FFFFFF	10.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00449A

Deuteranopia (green-blind)

#003895

Tritanopia (blue-blind)

#004D60

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #1c3297;
/* rgb */ color: rgb(28, 50, 151);
/* oklch */ color: oklch(37.4% 0.166 267.5);

Tailwind

colors: {
  custom: {
    50: '#6f69b7',
    500: '#1c3297',
    950: '#000000',
  },
}

SCSS

$custom: #1c3297;
$custom-light: #6f69b7;
$custom-dark: #000000;

JSON

{
  "hex": "#1c3297",
  "rgb": {
    "r": 28,
    "g": 50,
    "b": 151
  },
  "hsl": {
    "h": 229.268,
    "s": 68.715,
    "l": 35.098
  },
  "oklch": {
    "l": 0.37439,
    "c": 0.1663,
    "h": 267.5
  },
  "luminance": 0.04762
}

Semantic roles & 50–950 ramp

primary

#1C3297

secondary

#C1AC4E

accent

#CC3CEC

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#090611

muted

#7B7A80

Preview Lab

Preview with #1C3297

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

Preview Lab → · Contrast checker → · Palette generator →