#1A2F5B#1A2F5B

#1A2F5B is a dark, moderate blue. Relative luminance 0.030; OKLCH L 31.4% C 0.083 H 263.2°. Best body text is #FFFFFF at 13.11:1 contrast (WCAG AA passes).

Color values

HEX	#1A2F5B
RGB	rgb(26, 47, 91)
HSL	hsl(221, 56%, 23%)
HSV	hsv(221, 71%, 36%)
CMYK	cmyk(71.4%, 48.4%, 0%, 64.3%)
CIE-LAB	lab(20.07, 8.12, -28.93)
CIE-LCH	lch(20.07, 30.05, 285.67°)
OKLab	oklab(31.37% -0.0098 -0.0827)
OKLCH	oklch(31.37% 0.083 263.2)
XYZ	xyz(3.3302, 3.0077, 10.3005)
Luminance	0.0301 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A2F5B #5B461A

analogous

#1A4F5B #1A2F5B #251A5B

triadic

#1A2F5B #5B1A2F #2F5B1A

tetradic

#1A2F5B #5B1A4F #5B461A #1A5B25

square

#1A2F5B #5B1A4F #5B461A #1A5B25

split-complementary

#1A2F5B #5B251A #4F5B1A

monochromatic

#070C18 #0C162B #1A2F5B #28488B #3560BA

Accessibility & contrast

On white

13.11

#1A2F5B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.60

#1A2F5B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A2F5B

13.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A2F5B	#FFFFFF	#000000	##FFFFFF
##1A2F5B	1.00	13.11	1.60	13.11
#FFFFFF	13.11	1.00	21.00	1.00
#000000	1.60	21.00	1.00	21.00
##FFFFFF	13.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1A345D

Deuteranopia (green-blind)

#0E2E5A

Tritanopia (blue-blind)

#003940

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #1a2f5b;
/* rgb */ color: rgb(26, 47, 91);
/* oklch */ color: oklch(31.4% 0.083 263.2);

Tailwind

colors: {
  custom: {
    50: '#5f678a',
    500: '#1a2f5b',
    950: '#000000',
  },
}

SCSS

$custom: #1a2f5b;
$custom-light: #5f678a;
$custom-dark: #000000;

JSON

{
  "hex": "#1a2f5b",
  "rgb": {
    "r": 26,
    "g": 47,
    "b": 91
  },
  "hsl": {
    "h": 220.615,
    "s": 55.556,
    "l": 22.941
  },
  "oklch": {
    "l": 0.3137,
    "c": 0.08328,
    "h": 263.2
  },
  "luminance": 0.03008
}

Semantic roles & 50–950 ramp

primary

#1A2F5B

secondary

#917740

accent

#AE49DF

background

#F5F6F8

surface

#EAEBF0

border

#C6C6CB

text

#05060B

muted

#797A7C

Preview Lab

Preview with #1A2F5B

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

Preview Lab → · Contrast checker → · Palette generator →