#1B2F67#1B2F67

#1B2F67 is a dark, moderate blue. Relative luminance 0.032; OKLCH L 32.4% C 0.102 H 266.1°. Best body text is #FFFFFF at 12.73:1 contrast (WCAG AA passes).

Color values

HEX	#1B2F67
RGB	rgb(27, 47, 103)
HSL	hsl(224, 58%, 25%)
HSV	hsv(224, 74%, 40%)
CMYK	cmyk(73.8%, 54.4%, 0%, 59.6%)
CIE-LAB	lab(21.00, 13.21, -35.32)
CIE-LCH	lch(21.00, 37.71, 290.51°)
OKLab	oklab(32.37% -0.007 -0.1015)
OKLCH	oklch(32.37% 0.102 266.1)
XYZ	xyz(3.9158, 3.2449, 13.2493)
Luminance	0.0324 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B2F67 #67531B

analogous

#1B5567 #1B2F67 #2D1B67

triadic

#1B2F67 #671B2F #2F671B

tetradic

#1B2F67 #671B55 #67531B #1B672D

square

#1B2F67 #671B55 #67531B #1B672D

split-complementary

#1B2F67 #672D1B #55671B

monochromatic

#060B18 #0E1937 #1B2F67 #284597 #345BC8

Accessibility & contrast

On white

12.73

#1B2F67 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.65

#1B2F67 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B2F67

12.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B2F67	#FFFFFF	#000000	##FFFFFF
##1B2F67	1.00	12.73	1.65	12.73
#FFFFFF	12.73	1.00	21.00	1.00
#000000	1.65	21.00	1.00	21.00
##FFFFFF	12.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0C3669

Deuteranopia (green-blind)

#002F66

Tritanopia (blue-blind)

#003C46

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #1b2f67;
/* rgb */ color: rgb(27, 47, 103);
/* oklch */ color: oklch(32.4% 0.102 266.1);

Tailwind

colors: {
  custom: {
    50: '#626793',
    500: '#1b2f67',
    950: '#000000',
  },
}

SCSS

$custom: #1b2f67;
$custom-light: #626793;
$custom-dark: #000000;

JSON

{
  "hex": "#1b2f67",
  "rgb": {
    "r": 27,
    "g": 47,
    "b": 103
  },
  "hsl": {
    "h": 224.211,
    "s": 58.462,
    "l": 25.49
  },
  "oklch": {
    "l": 0.3237,
    "c": 0.1017,
    "h": 266.1
  },
  "luminance": 0.03245
}

Semantic roles & 50–950 ramp

primary

#1B2F67

secondary

#9C8442

accent

#B946E2

background

#F6F6F9

surface

#EBEBF1

border

#C6C6CB

text

#06060D

muted

#7A7A7E

Preview Lab

Preview with #1B2F67

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

Preview Lab → · Contrast checker → · Palette generator →