#1A3E5F#1A3E5F

#1A3E5F is a dark, moderate cyan. Relative luminance 0.045; OKLCH L 35.5% C 0.071 H 248.7°. Best body text is #FFFFFF at 11.06:1 contrast (WCAG AA passes).

Color values

HEX	#1A3E5F
RGB	rgb(26, 62, 95)
HSL	hsl(209, 57%, 24%)
HSV	hsv(209, 73%, 37%)
CMYK	cmyk(72.6%, 34.7%, 0%, 62.7%)
CIE-LAB	lab(25.23, -0.76, -23.37)
CIE-LCH	lch(25.23, 23.38, 268.13°)
OKLab	oklab(35.46% -0.0258 -0.0662)
OKLCH	oklch(35.46% 0.071 248.7)
XYZ	xyz(4.2134, 4.4906, 11.4690)
Luminance	0.0449 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A3E5F #5F3B1A

analogous

#1A5F5D #1A3E5F #1A1B5F

triadic

#1A3E5F #5F1A3E #3E5F1A

tetradic

#1A3E5F #5D1A5F #5F3B1A #1B5F1A

square

#1A3E5F #5D1A5F #5F3B1A #1B5F1A

split-complementary

#1A3E5F #5F1A1B #5F5D1A

monochromatic

#071018 #0D1F2F #1A3E5F #275D8F #347DBF

Accessibility & contrast

On white

11.06

#1A3E5F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.90

#1A3E5F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A3E5F

11.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A3E5F	#FFFFFF	#000000	##FFFFFF
##1A3E5F	1.00	11.06	1.90	11.06
#FFFFFF	11.06	1.00	21.00	1.00
#000000	1.90	21.00	1.00	21.00
##FFFFFF	11.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F3F60

Deuteranopia (green-blind)

#26395E

Tritanopia (blue-blind)

#00464A

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #1a3e5f;
/* rgb */ color: rgb(26, 62, 95);
/* oklch */ color: oklch(35.5% 0.071 248.7);

Tailwind

colors: {
  custom: {
    50: '#60738c',
    500: '#1a3e5f',
    950: '#000000',
  },
}

SCSS

$custom: #1a3e5f;
$custom-light: #60738c;
$custom-dark: #000000;

JSON

{
  "hex": "#1a3e5f",
  "rgb": {
    "r": 26,
    "g": 62,
    "b": 95
  },
  "hsl": {
    "h": 208.696,
    "s": 57.025,
    "l": 23.725
  },
  "oklch": {
    "l": 0.35463,
    "c": 0.071,
    "h": 248.7
  },
  "luminance": 0.04491
}

Semantic roles & 50–950 ramp

primary

#1A3E5F

secondary

#956940

accent

#9148E0

background

#F5F6F8

surface

#EAECF0

border

#C6C7CB

text

#05080C

muted

#797B7D

Preview Lab

Preview with #1A3E5F

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

Preview Lab → · Contrast checker → · Palette generator →