#1B244C#1B244C

#1B244C is a dark, moderate blue. Relative luminance 0.020; OKLCH L 27.6% C 0.074 H 271.2°. Best body text is #FFFFFF at 14.96:1 contrast (WCAG AA passes).

Color values

HEX	#1B244C
RGB	rgb(27, 36, 76)
HSL	hsl(229, 48%, 20%)
HSV	hsv(229, 64%, 30%)
CMYK	cmyk(64.5%, 52.6%, 0%, 70.2%)
CIE-LAB	lab(15.57, 10.33, -26.06)
CIE-LCH	lch(15.57, 28.03, 291.62°)
OKLab	oklab(27.6% 0.0016 -0.0744)
OKLCH	oklch(27.6% 0.074 271.2)
XYZ	xyz(2.3869, 2.0164, 7.0995)
Luminance	0.0202 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B244C #4C431B

analogous

#1B3C4C #1B244C #2B1B4C

triadic

#1B244C #4C1B24 #244C1B

tetradic

#1B244C #4C1B3C #4C431B #1B4C2B

square

#1B244C #4C1B3C #4C431B #1B4C2B

split-complementary

#1B244C #4C2B1B #3C4C1B

monochromatic

#080B17 #0B0F1F #1B244C #2B3979 #3B4FA6

Accessibility & contrast

On white

14.96

#1B244C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.40

#1B244C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B244C

14.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B244C	#FFFFFF	#000000	##FFFFFF
##1B244C	1.00	14.96	1.40	14.96
#FFFFFF	14.96	1.00	21.00	1.00
#000000	1.40	21.00	1.00	21.00
##FFFFFF	14.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#11294D

Deuteranopia (green-blind)

#09254B

Tritanopia (blue-blind)

#002D34

Achromatopsia (no color)

#272727

Design tokens & code

CSS

--color: #1b244c;
/* rgb */ color: rgb(27, 36, 76);
/* oklch */ color: oklch(27.6% 0.074 271.2);

Tailwind

colors: {
  custom: {
    50: '#5d5e7e',
    500: '#1b244c',
    950: '#000000',
  },
}

SCSS

$custom: #1b244c;
$custom-light: #5d5e7e;
$custom-dark: #000000;

JSON

{
  "hex": "#1b244c",
  "rgb": {
    "r": 27,
    "g": 36,
    "b": 76
  },
  "hsl": {
    "h": 228.98,
    "s": 47.573,
    "l": 20.196
  },
  "oklch": {
    "l": 0.27602,
    "c": 0.07443,
    "h": 271.2
  },
  "luminance": 0.02017
}

Semantic roles & 50–950 ramp

primary

#1B244C

secondary

#827641

accent

#BE51D7

background

#F5F5F7

surface

#E9E9EE

border

#C5C5C9

text

#04040A

muted

#79797C

Preview Lab

Preview with #1B244C

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

Preview Lab → · Contrast checker → · Palette generator →