#1A2B59#1A2B59

#1A2B59 is a dark, moderate blue. Relative luminance 0.027; OKLCH L 30.2% C 0.086 H 266.2°. Best body text is #FFFFFF at 13.69:1 contrast (WCAG AA passes).

Color values

HEX	#1A2B59
RGB	rgb(26, 43, 89)
HSL	hsl(224, 55%, 23%)
HSV	hsv(224, 71%, 35%)
CMYK	cmyk(70.8%, 51.7%, 0%, 65.1%)
CIE-LAB	lab(18.66, 10.21, -29.87)
CIE-LCH	lch(18.66, 31.57, 288.87°)
OKLab	oklab(30.24% -0.0057 -0.0855)
OKLCH	oklch(30.24% 0.086 266.2)
XYZ	xyz(3.0924, 2.6683, 9.8013)
Luminance	0.0267 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A2B59 #59481A

analogous

#1A4A59 #1A2B59 #291A59

triadic

#1A2B59 #591A2B #2B591A

tetradic

#1A2B59 #591A4A #59481A #1A5929

square

#1A2B59 #591A4A #59481A #1A5929

split-complementary

#1A2B59 #59291A #4A591A

monochromatic

#070B18 #0C142A #1A2B59 #284288 #3659B8

Accessibility & contrast

On white

13.69

#1A2B59 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.53

#1A2B59 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A2B59

13.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A2B59	#FFFFFF	#000000	##FFFFFF
##1A2B59	1.00	13.69	1.53	13.69
#FFFFFF	13.69	1.00	21.00	1.00
#000000	1.53	21.00	1.00	21.00
##FFFFFF	13.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#13305B

Deuteranopia (green-blind)

#062B58

Tritanopia (blue-blind)

#00363D

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #1a2b59;
/* rgb */ color: rgb(26, 43, 89);
/* oklch */ color: oklch(30.2% 0.086 266.2);

Tailwind

colors: {
  custom: {
    50: '#5f6388',
    500: '#1a2b59',
    950: '#000000',
  },
}

SCSS

$custom: #1a2b59;
$custom-light: #5f6388;
$custom-dark: #000000;

JSON

{
  "hex": "#1a2b59",
  "rgb": {
    "r": 26,
    "g": 43,
    "b": 89
  },
  "hsl": {
    "h": 223.81,
    "s": 54.783,
    "l": 22.549
  },
  "oklch": {
    "l": 0.30244,
    "c": 0.08571,
    "h": 266.2
  },
  "luminance": 0.02669
}

Semantic roles & 50–950 ramp

primary

#1A2B59

secondary

#8F7A40

accent

#B64ADE

background

#F5F5F8

surface

#EAEAF0

border

#C6C6CB

text

#05050B

muted

#79797C

Preview Lab

Preview with #1A2B59

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

Preview Lab → · Contrast checker → · Palette generator →