#1A2157#1A2157

#1A2157 is a dark, moderate blue. Relative luminance 0.020; OKLCH L 27.8% C 0.097 H 272.8°. Best body text is #FFFFFF at 15.01:1 contrast (WCAG AA passes).

Color values

HEX	#1A2157
RGB	rgb(26, 33, 87)
HSL	hsl(233, 54%, 22%)
HSV	hsv(233, 70%, 34%)
CMYK	cmyk(70.1%, 62.1%, 0%, 65.9%)
CIE-LAB	lab(15.46, 16.75, -33.70)
CIE-LCH	lch(15.46, 37.64, 296.43°)
OKLab	oklab(27.78% 0.0047 -0.0969)
OKLCH	oklch(27.78% 0.097 272.8)
XYZ	xyz(2.6896, 1.9952, 9.2584)
Luminance	0.0199 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A2157 #57501A

analogous

#1A4057 #1A2157 #321A57

triadic

#1A2157 #571A21 #21571A

tetradic

#1A2157 #571A40 #57501A #1A5732

square

#1A2157 #571A40 #57501A #1A5732

split-complementary

#1A2157 #57321A #40571A

monochromatic

#070918 #0C0F28 #1A2157 #283386 #3645B5

Accessibility & contrast

On white

15.01

#1A2157 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.40

#1A2157 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A2157

15.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A2157	#FFFFFF	#000000	##FFFFFF
##1A2157	1.00	15.01	1.40	15.01
#FFFFFF	15.01	1.00	21.00	1.00
#000000	1.40	21.00	1.00	21.00
##FFFFFF	15.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002959

Deuteranopia (green-blind)

#002456

Tritanopia (blue-blind)

#002E38

Achromatopsia (no color)

#272727

Design tokens & code

CSS

--color: #1a2157;
/* rgb */ color: rgb(26, 33, 87);
/* oklch */ color: oklch(27.8% 0.097 272.8);

Tailwind

colors: {
  custom: {
    50: '#5f5c87',
    500: '#1a2157',
    950: '#000000',
  },
}

SCSS

$custom: #1a2157;
$custom-light: #5f5c87;
$custom-dark: #000000;

JSON

{
  "hex": "#1a2157",
  "rgb": {
    "r": 26,
    "g": 33,
    "b": 87
  },
  "hsl": {
    "h": 233.115,
    "s": 53.982,
    "l": 22.157
  },
  "oklch": {
    "l": 0.27777,
    "c": 0.09706,
    "h": 272.8
  },
  "luminance": 0.01995
}

Semantic roles & 50–950 ramp

primary

#1A2157

secondary

#8D8440

accent

#CC4ADD

background

#F5F5F8

surface

#EAE9EF

border

#C6C5CA

text

#05040B

muted

#79797C

Preview Lab

Preview with #1A2157

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

Preview Lab → · Contrast checker → · Palette generator →