#1B2263#1B2263

#1B2263 is a dark, moderate blue. Relative luminance 0.023; OKLCH L 29.2% C 0.114 H 272.5°. Best body text is #FFFFFF at 14.43:1 contrast (WCAG AA passes).

Color values

HEX	#1B2263
RGB	rgb(27, 34, 99)
HSL	hsl(234, 57%, 25%)
HSV	hsv(234, 73%, 39%)
CMYK	cmyk(72.7%, 65.7%, 0%, 61.2%)
CIE-LAB	lab(16.88, 20.98, -39.38)
CIE-LCH	lch(16.88, 44.62, 298.05°)
OKLab	oklab(29.18% 0.0049 -0.1136)
OKLCH	oklch(29.18% 0.114 272.5)
XYZ	xyz(3.2754, 2.2776, 12.0690)
Luminance	0.0228 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B2263 #635C1B

analogous

#1B4663 #1B2263 #381B63

triadic

#1B2263 #631B22 #22631B

tetradic

#1B2263 #631B46 #635C1B #1B6338

square

#1B2263 #631B46 #635C1B #1B6338

split-complementary

#1B2263 #63381B #46631B

monochromatic

#070818 #0E1133 #1B2263 #283393 #3543C3

Accessibility & contrast

On white

14.43

#1B2263 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.46

#1B2263 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B2263

14.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B2263	#FFFFFF	#000000	##FFFFFF
##1B2263	1.00	14.43	1.46	14.43
#FFFFFF	14.43	1.00	21.00	1.00
#000000	1.46	21.00	1.00	21.00
##FFFFFF	14.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002D65

Deuteranopia (green-blind)

#002662

Tritanopia (blue-blind)

#00323F

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #1b2263;
/* rgb */ color: rgb(27, 34, 99);
/* oklch */ color: oklch(29.2% 0.114 272.5);

Tailwind

colors: {
  custom: {
    50: '#625d90',
    500: '#1b2263',
    950: '#000000',
  },
}

SCSS

$custom: #1b2263;
$custom-light: #625d90;
$custom-dark: #000000;

JSON

{
  "hex": "#1b2263",
  "rgb": {
    "r": 27,
    "g": 34,
    "b": 99
  },
  "hsl": {
    "h": 234.167,
    "s": 57.143,
    "l": 24.706
  },
  "oklch": {
    "l": 0.29182,
    "c": 0.1137,
    "h": 272.5
  },
  "luminance": 0.02278
}

Semantic roles & 50–950 ramp

primary

#1B2263

secondary

#989041

accent

#D247E0

background

#F6F5F8

surface

#EBE9F0

border

#C6C5CB

text

#06040C

muted

#7A797D

Preview Lab

Preview with #1B2263

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

Preview Lab → · Contrast checker → · Palette generator →