#1C4297#1C4297

#1C4297 is a dark, vivid blue. Relative luminance 0.064; OKLCH L 40.6% C 0.146 H 263.2°. Best body text is #FFFFFF at 9.23:1 contrast (WCAG AA passes).

Color values

HEX	#1C4297
RGB	rgb(28, 66, 151)
HSL	hsl(221, 69%, 35%)
HSV	hsv(221, 81%, 59%)
CMYK	cmyk(81.5%, 56.3%, 0%, 40.8%)
CIE-LAB	lab(30.34, 19.47, -50.36)
CIE-LCH	lch(30.34, 53.99, 291.13°)
OKLab	oklab(40.64% -0.0172 -0.1453)
OKLCH	oklch(40.64% 0.146 263.2)
XYZ	xyz(8.0110, 6.3767, 30.0808)
Luminance	0.0638 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C4297 #97711C

analogous

#1C8097 #1C4297 #331C97

triadic

#1C4297 #971C42 #42971C

tetradic

#1C4297 #971C80 #97711C #1C9733

square

#1C4297 #971C80 #97711C #1C9733

split-complementary

#1C4297 #97331C #80971C

monochromatic

#091530 #122B63 #1C4297 #2659CB #4F7BDE

Accessibility & contrast

On white

9.23

#1C4297 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.28

#1C4297 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C4297

9.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C4297	#FFFFFF	#000000	##FFFFFF
##1C4297	1.00	9.23	2.28	9.23
#FFFFFF	9.23	1.00	21.00	1.00
#000000	2.28	21.00	1.00	21.00
##FFFFFF	9.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004D9A

Deuteranopia (green-blind)

#004295

Tritanopia (blue-blind)

#005766

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #1c4297;
/* rgb */ color: rgb(28, 66, 151);
/* oklch */ color: oklch(40.6% 0.146 263.2);

Tailwind

colors: {
  custom: {
    50: '#6e75b6',
    500: '#1c4297',
    950: '#000000',
  },
}

SCSS

$custom: #1c4297;
$custom-light: #6e75b6;
$custom-dark: #000000;

JSON

{
  "hex": "#1c4297",
  "rgb": {
    "r": 28,
    "g": 66,
    "b": 151
  },
  "hsl": {
    "h": 221.463,
    "s": 68.715,
    "l": 35.098
  },
  "oklch": {
    "l": 0.40642,
    "c": 0.14635,
    "h": 263.2
  },
  "luminance": 0.06378
}

Semantic roles & 50–950 ramp

primary

#1C4297

secondary

#C19D4E

accent

#B53CEC

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#080811

muted

#7B7B80

Preview Lab

Preview with #1C4297

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

Preview Lab → · Contrast checker → · Palette generator →