#1B245D#1B245D

#1B245D is a dark, moderate blue. Relative luminance 0.023; OKLCH L 29.0% C 0.102 H 271.7°. Best body text is #FFFFFF at 14.41:1 contrast (WCAG AA passes).

Color values

HEX	#1B245D
RGB	rgb(27, 36, 93)
HSL	hsl(232, 55%, 24%)
HSV	hsv(232, 71%, 36%)
CMYK	cmyk(71%, 61.3%, 0%, 63.5%)
CIE-LAB	lab(16.92, 17.15, -35.35)
CIE-LCH	lch(16.92, 39.29, 295.88°)
OKLab	oklab(29.04% 0.0031 -0.1017)
OKLCH	oklch(29.04% 0.102 271.7)
XYZ	xyz(3.0580, 2.2848, 10.6337)
Luminance	0.0228 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B245D #5D541B

analogous

#1B455D #1B245D #331B5D

triadic

#1B245D #5D1B24 #245D1B

tetradic

#1B245D #5D1B45 #5D541B #1B5D33

square

#1B245D #5D1B45 #5D541B #1B5D33

split-complementary

#1B245D #5D331B #455D1B

monochromatic

#070918 #0D122E #1B245D #29368C #3749BC

Accessibility & contrast

On white

14.41

#1B245D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.46

#1B245D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B245D

14.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B245D	#FFFFFF	#000000	##FFFFFF
##1B245D	1.00	14.41	1.46	14.41
#FFFFFF	14.41	1.00	21.00	1.00
#000000	1.46	21.00	1.00	21.00
##FFFFFF	14.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002D5F

Deuteranopia (green-blind)

#00275C

Tritanopia (blue-blind)

#00323C

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #1b245d;
/* rgb */ color: rgb(27, 36, 93);
/* oklch */ color: oklch(29.0% 0.102 271.7);

Tailwind

colors: {
  custom: {
    50: '#615e8b',
    500: '#1b245d',
    950: '#000000',
  },
}

SCSS

$custom: #1b245d;
$custom-light: #615e8b;
$custom-dark: #000000;

JSON

{
  "hex": "#1b245d",
  "rgb": {
    "r": 27,
    "g": 36,
    "b": 93
  },
  "hsl": {
    "h": 231.818,
    "s": 55,
    "l": 23.529
  },
  "oklch": {
    "l": 0.29041,
    "c": 0.10178,
    "h": 271.7
  },
  "luminance": 0.02285
}

Semantic roles & 50–950 ramp

primary

#1B245D

secondary

#938841

accent

#CA49DE

background

#F6F5F8

surface

#EBE9F0

border

#C6C5CB

text

#05040C

muted

#7A797D

Preview Lab

Preview with #1B245D

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

Preview Lab → · Contrast checker → · Palette generator →