#1A3A5E#1A3A5E

#1A3A5E is a dark, moderate cyan. Relative luminance 0.041; OKLCH L 34.4% C 0.074 H 253.1°. Best body text is #FFFFFF at 11.60:1 contrast (WCAG AA passes).

Color values

HEX	#1A3A5E
RGB	rgb(26, 58, 94)
HSL	hsl(212, 57%, 24%)
HSV	hsv(212, 72%, 37%)
CMYK	cmyk(72.3%, 38.3%, 0%, 63.1%)
CIE-LAB	lab(23.85, 1.56, -24.90)
CIE-LCH	lch(23.85, 24.95, 273.59°)
OKLab	oklab(34.36% -0.0215 -0.0707)
OKLCH	oklch(34.36% 0.074 253.1)
XYZ	xyz(3.9587, 4.0535, 11.1613)
Luminance	0.0405 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A3A5E #5E3E1A

analogous

#1A5C5E #1A3A5E #1C1A5E

triadic

#1A3A5E #5E1A3A #3A5E1A

tetradic

#1A3A5E #5E1A5C #5E3E1A #1A5E1C

square

#1A3A5E #5E1A5C #5E3E1A #1A5E1C

split-complementary

#1A3A5E #5E1C1A #5C5E1A

monochromatic

#070F18 #0D1C2E #1A3A5E #27588E #3575BE

Accessibility & contrast

On white

11.60

#1A3A5E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.81

#1A3A5E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A3A5E

11.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A3A5E	#FFFFFF	#000000	##FFFFFF
##1A3A5E	1.00	11.60	1.81	11.60
#FFFFFF	11.60	1.00	21.00	1.00
#000000	1.81	21.00	1.00	21.00
##FFFFFF	11.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A3C5F

Deuteranopia (green-blind)

#20365D

Tritanopia (blue-blind)

#004247

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #1a3a5e;
/* rgb */ color: rgb(26, 58, 94);
/* oklch */ color: oklch(34.4% 0.074 253.1);

Tailwind

colors: {
  custom: {
    50: '#5f6f8c',
    500: '#1a3a5e',
    950: '#000000',
  },
}

SCSS

$custom: #1a3a5e;
$custom-light: #5f6f8c;
$custom-dark: #000000;

JSON

{
  "hex": "#1a3a5e",
  "rgb": {
    "r": 26,
    "g": 58,
    "b": 94
  },
  "hsl": {
    "h": 211.765,
    "s": 56.667,
    "l": 23.529
  },
  "oklch": {
    "l": 0.34359,
    "c": 0.0739,
    "h": 253.1
  },
  "luminance": 0.04054
}

Semantic roles & 50–950 ramp

primary

#1A3A5E

secondary

#946C40

accent

#9848E0

background

#F5F6F8

surface

#EAECF0

border

#C6C7CB

text

#05070C

muted

#797A7D

Preview Lab

Preview with #1A3A5E

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

Preview Lab → · Contrast checker → · Palette generator →