#1C3D97#1C3D97

#1C3D97 is a dark, vivid blue. Relative luminance 0.058; OKLCH L 39.6% C 0.153 H 264.8°. Best body text is #FFFFFF at 9.71:1 contrast (WCAG AA passes).

Color values

HEX	#1C3D97
RGB	rgb(28, 61, 151)
HSL	hsl(224, 69%, 35%)
HSV	hsv(224, 81%, 59%)
CMYK	cmyk(81.5%, 59.6%, 0%, 40.8%)
CIE-LAB	lab(28.95, 22.90, -52.63)
CIE-LCH	lch(28.95, 57.39, 293.52°)
OKLab	oklab(39.59% -0.0138 -0.1521)
OKLCH	oklch(39.59% 0.153 264.8)
XYZ	xyz(7.7316, 5.8178, 29.9876)
Luminance	0.0582 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C3D97 #97761C

analogous

#1C7B97 #1C3D97 #381C97

triadic

#1C3D97 #971C3D #3D971C

tetradic

#1C3D97 #971C7B #97761C #1C9738

square

#1C3D97 #971C7B #97761C #1C9738

split-complementary

#1C3D97 #97381C #7B971C

monochromatic

#091330 #122863 #1C3D97 #2652CB #4F75DE

Accessibility & contrast

On white

9.71

#1C3D97 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.16

#1C3D97 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C3D97

9.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C3D97	#FFFFFF	#000000	##FFFFFF
##1C3D97	1.00	9.71	2.16	9.71
#FFFFFF	9.71	1.00	21.00	1.00
#000000	2.16	21.00	1.00	21.00
##FFFFFF	9.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004A9A

Deuteranopia (green-blind)

#003F95

Tritanopia (blue-blind)

#005464

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #1c3d97;
/* rgb */ color: rgb(28, 61, 151);
/* oklch */ color: oklch(39.6% 0.153 264.8);

Tailwind

colors: {
  custom: {
    50: '#6e72b6',
    500: '#1c3d97',
    950: '#000000',
  },
}

SCSS

$custom: #1c3d97;
$custom-light: #6e72b6;
$custom-dark: #000000;

JSON

{
  "hex": "#1c3d97",
  "rgb": {
    "r": 28,
    "g": 61,
    "b": 151
  },
  "hsl": {
    "h": 223.902,
    "s": 68.715,
    "l": 35.098
  },
  "oklch": {
    "l": 0.39592,
    "c": 0.15272,
    "h": 264.8
  },
  "luminance": 0.05819
}

Semantic roles & 50–950 ramp

primary

#1C3D97

secondary

#C1A24E

accent

#BD3CEC

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#080711

muted

#7B7A80

Preview Lab

Preview with #1C3D97

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

Preview Lab → · Contrast checker → · Palette generator →