#1A235B#1A235B

#1A235B is a dark, moderate blue. Relative luminance 0.022; OKLCH L 28.6% C 0.100 H 271.6°. Best body text is #FFFFFF at 14.63:1 contrast (WCAG AA passes).

Color values

HEX	#1A235B
RGB	rgb(26, 35, 91)
HSL	hsl(232, 56%, 23%)
HSV	hsv(232, 71%, 36%)
CMYK	cmyk(71.4%, 61.5%, 0%, 64.3%)
CIE-LAB	lab(16.39, 16.90, -34.88)
CIE-LCH	lch(16.39, 38.76, 295.85°)
OKLab	oklab(28.58% 0.0028 -0.1004)
OKLCH	oklch(28.58% 0.1 271.6)
XYZ	xyz(2.9147, 2.1767, 10.1620)
Luminance	0.0218 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A235B #5B521A

analogous

#1A435B #1A235B #311A5B

triadic

#1A235B #5B1A23 #235B1A

tetradic

#1A235B #5B1A43 #5B521A #1A5B31

square

#1A235B #5B1A43 #5B521A #1A5B31

split-complementary

#1A235B #5B311A #435B1A

monochromatic

#070918 #0C112B #1A235B #28358B #3548BA

Accessibility & contrast

On white

14.63

#1A235B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.44

#1A235B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A235B

14.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A235B	#FFFFFF	#000000	##FFFFFF
##1A235B	1.00	14.63	1.44	14.63
#FFFFFF	14.63	1.00	21.00	1.00
#000000	1.44	21.00	1.00	21.00
##FFFFFF	14.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002C5D

Deuteranopia (green-blind)

#00265A

Tritanopia (blue-blind)

#00313B

Achromatopsia (no color)

#292929

Design tokens & code

CSS

--color: #1a235b;
/* rgb */ color: rgb(26, 35, 91);
/* oklch */ color: oklch(28.6% 0.100 271.6);

Tailwind

colors: {
  custom: {
    50: '#605d8a',
    500: '#1a235b',
    950: '#000000',
  },
}

SCSS

$custom: #1a235b;
$custom-light: #605d8a;
$custom-dark: #000000;

JSON

{
  "hex": "#1a235b",
  "rgb": {
    "r": 26,
    "g": 35,
    "b": 91
  },
  "hsl": {
    "h": 231.692,
    "s": 55.556,
    "l": 22.941
  },
  "oklch": {
    "l": 0.28576,
    "c": 0.10042,
    "h": 271.6
  },
  "luminance": 0.02177
}

Semantic roles & 50–950 ramp

primary

#1A235B

secondary

#918640

accent

#CA49DF

background

#F5F5F8

surface

#EAE9F0

border

#C6C5CB

text

#05040C

muted

#79797D

Preview Lab

Preview with #1A235B

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

Preview Lab → · Contrast checker → · Palette generator →