#1C4197#1C4197

#1C4197 is a dark, vivid blue. Relative luminance 0.063; OKLCH L 40.4% C 0.148 H 263.6°. Best body text is #FFFFFF at 9.32:1 contrast (WCAG AA passes).

Color values

HEX	#1C4197
RGB	rgb(28, 65, 151)
HSL	hsl(222, 69%, 35%)
HSV	hsv(222, 81%, 59%)
CMYK	cmyk(81.5%, 57%, 0%, 40.8%)
CIE-LAB	lab(30.06, 20.15, -50.81)
CIE-LCH	lch(30.06, 54.67, 291.63°)
OKLab	oklab(40.43% -0.0165 -0.1467)
OKLCH	oklch(40.43% 0.148 263.6)
XYZ	xyz(7.9531, 6.2609, 30.0615)
Luminance	0.0626 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C4197 #97721C

analogous

#1C7F97 #1C4197 #341C97

triadic

#1C4197 #971C41 #41971C

tetradic

#1C4197 #971C7F #97721C #1C9734

square

#1C4197 #971C7F #97721C #1C9734

split-complementary

#1C4197 #97341C #7F971C

monochromatic

#091530 #122B63 #1C4197 #2657CB #4F7ADE

Accessibility & contrast

On white

9.32

#1C4197 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.25

#1C4197 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C4197

9.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C4197	#FFFFFF	#000000	##FFFFFF
##1C4197	1.00	9.32	2.25	9.32
#FFFFFF	9.32	1.00	21.00	1.00
#000000	2.25	21.00	1.00	21.00
##FFFFFF	9.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004D9A

Deuteranopia (green-blind)

#004195

Tritanopia (blue-blind)

#005665

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #1c4197;
/* rgb */ color: rgb(28, 65, 151);
/* oklch */ color: oklch(40.4% 0.148 263.6);

Tailwind

colors: {
  custom: {
    50: '#6e75b6',
    500: '#1c4197',
    950: '#000000',
  },
}

SCSS

$custom: #1c4197;
$custom-light: #6e75b6;
$custom-dark: #000000;

JSON

{
  "hex": "#1c4197",
  "rgb": {
    "r": 28,
    "g": 65,
    "b": 151
  },
  "hsl": {
    "h": 221.951,
    "s": 68.715,
    "l": 35.098
  },
  "oklch": {
    "l": 0.40429,
    "c": 0.14762,
    "h": 263.6
  },
  "luminance": 0.06262
}

Semantic roles & 50–950 ramp

primary

#1C4197

secondary

#C19E4E

accent

#B73CEC

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#080811

muted

#7B7B80

Preview Lab

Preview with #1C4197

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

Preview Lab → · Contrast checker → · Palette generator →