#1B267B#1B267B

#1B267B is a dark, vivid blue. Relative luminance 0.030; OKLCH L 32.4% C 0.143 H 270.2°. Best body text is #FFFFFF at 13.05:1 contrast (WCAG AA passes).

Color values

HEX	#1B267B
RGB	rgb(27, 38, 123)
HSL	hsl(233, 64%, 29%)
HSV	hsv(233, 78%, 48%)
CMYK	cmyk(78%, 69.1%, 0%, 51.8%)
CIE-LAB	lab(20.24, 27.57, -49.43)
CIE-LCH	lch(20.24, 56.60, 299.15°)
OKLab	oklab(32.35% 0.0004 -0.143)
OKLCH	oklch(32.35% 0.143 270.2)
XYZ	xyz(4.7190, 3.0488, 19.0748)
Luminance	0.0305 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B267B #7B701B

analogous

#1B567B #1B267B #401B7B

triadic

#1B267B #7B1B26 #267B1B

tetradic

#1B267B #7B1B56 #7B701B #1B7B40

square

#1B267B #7B1B56 #7B701B #1B7B40

split-complementary

#1B267B #7B401B #567B1B

monochromatic

#060819 #101649 #1B267B #2636AD #3C4ED4

Accessibility & contrast

On white

13.05

#1B267B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.61

#1B267B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B267B

13.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B267B	#FFFFFF	#000000	##FFFFFF
##1B267B	1.00	13.05	1.61	13.05
#FFFFFF	13.05	1.00	21.00	1.00
#000000	1.61	21.00	1.00	21.00
##FFFFFF	13.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00357E

Deuteranopia (green-blind)

#002C79

Tritanopia (blue-blind)

#003D4D

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #1b267b;
/* rgb */ color: rgb(27, 38, 123);
/* oklch */ color: oklch(32.4% 0.143 270.2);

Tailwind

colors: {
  custom: {
    50: '#6860a2',
    500: '#1b267b',
    950: '#000000',
  },
}

SCSS

$custom: #1b267b;
$custom-light: #6860a2;
$custom-dark: #000000;

JSON

{
  "hex": "#1b267b",
  "rgb": {
    "r": 27,
    "g": 38,
    "b": 123
  },
  "hsl": {
    "h": 233.125,
    "s": 64,
    "l": 29.412
  },
  "oklch": {
    "l": 0.3235,
    "c": 0.143,
    "h": 270.2
  },
  "luminance": 0.03049
}

Semantic roles & 50–950 ramp

primary

#1B267B

secondary

#AFA343

accent

#D441E7

background

#F6F5FA

surface

#ECE9F4

border

#C7C5CE

text

#07050F

muted

#7A797F

Preview Lab

Preview with #1B267B

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

Preview Lab → · Contrast checker → · Palette generator →