#1B267F#1B267F

#1B267F is a dark, vivid blue. Relative luminance 0.032; OKLCH L 32.8% C 0.148 H 270.0°. Best body text is #FFFFFF at 12.88:1 contrast (WCAG AA passes).

Color values

HEX	#1B267F
RGB	rgb(27, 38, 127)
HSL	hsl(233, 65%, 30%)
HSV	hsv(233, 79%, 50%)
CMYK	cmyk(78.7%, 70.1%, 0%, 50.2%)
CIE-LAB	lab(20.64, 29.10, -51.31)
CIE-LCH	lch(20.64, 58.99, 299.56°)
OKLab	oklab(32.76% 0.0001 -0.1485)
OKLCH	oklch(32.76% 0.149 270)
XYZ	xyz(4.9746, 3.1510, 20.4206)
Luminance	0.0315 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B267F #7F741B

analogous

#1B587F #1B267F #421B7F

triadic

#1B267F #7F1B26 #267F1B

tetradic

#1B267F #7F1B58 #7F741B #1B7F42

square

#1B267F #7F1B58 #7F741B #1B7F42

split-complementary

#1B267F #7F421B #587F1B

monochromatic

#06081A #10174D #1B267F #2635B1 #3E4FD6

Accessibility & contrast

On white

12.88

#1B267F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.63

#1B267F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B267F

12.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B267F	#FFFFFF	#000000	##FFFFFF
##1B267F	1.00	12.88	1.63	12.88
#FFFFFF	12.88	1.00	21.00	1.00
#000000	1.63	21.00	1.00	21.00
##FFFFFF	12.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003782

Deuteranopia (green-blind)

#002D7D

Tritanopia (blue-blind)

#003E4F

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #1b267f;
/* rgb */ color: rgb(27, 38, 127);
/* oklch */ color: oklch(32.8% 0.148 270.0);

Tailwind

colors: {
  custom: {
    50: '#6960a5',
    500: '#1b267f',
    950: '#000000',
  },
}

SCSS

$custom: #1b267f;
$custom-light: #6960a5;
$custom-dark: #000000;

JSON

{
  "hex": "#1b267f",
  "rgb": {
    "r": 27,
    "g": 38,
    "b": 127
  },
  "hsl": {
    "h": 233.4,
    "s": 64.935,
    "l": 30.196
  },
  "oklch": {
    "l": 0.32763,
    "c": 0.1485,
    "h": 270
  },
  "luminance": 0.03152
}

Semantic roles & 50–950 ramp

primary

#1B267F

secondary

#B3A643

accent

#D540E8

background

#F6F5FA

surface

#ECE9F4

border

#C7C5CE

text

#07050F

muted

#7A797F

Preview Lab

Preview with #1B267F

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

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