#1A558E#1A558E

#1A558E is a dark, moderate cyan. Relative luminance 0.087; OKLCH L 44.3% C 0.111 H 251.3°. Best body text is #FFFFFF at 7.68:1 contrast (WCAG AA passes).

Color values

HEX	#1A558E
RGB	rgb(26, 85, 142)
HSL	hsl(209, 69%, 33%)
HSV	hsv(209, 82%, 56%)
CMYK	cmyk(81.7%, 40.1%, 0%, 44.3%)
CIE-LAB	lab(35.34, 2.79, -36.84)
CIE-LCH	lch(35.34, 36.94, 274.33°)
OKLab	oklab(44.27% -0.0355 -0.1052)
OKLCH	oklch(44.27% 0.111 251.3)
XYZ	xyz(8.5551, 8.6686, 26.8082)
Luminance	0.0867 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A558E #8E531A

analogous

#1A8E8D #1A558E #1A1B8E

triadic

#1A558E #8E1A55 #558E1A

tetradic

#1A558E #8D1A8E #8E531A #1B8E1A

square

#1A558E #8D1A8E #8E531A #1B8E1A

split-complementary

#1A558E #8E1A1B #8E8D1A

monochromatic

#071727 #11365A #1A558E #2374C2 #4593DD

Accessibility & contrast

On white

7.68

#1A558E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.73

#1A558E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A558E

7.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A558E	#FFFFFF	#000000	##FFFFFF
##1A558E	1.00	7.68	2.73	7.68
#FFFFFF	7.68	1.00	21.00	1.00
#000000	2.73	21.00	1.00	21.00
##FFFFFF	7.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3A5990

Deuteranopia (green-blind)

#274E8D

Tritanopia (blue-blind)

#00636A

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #1a558e;
/* rgb */ color: rgb(26, 85, 142);
/* oklch */ color: oklch(44.3% 0.111 251.3);

Tailwind

colors: {
  custom: {
    50: '#6a84af',
    500: '#1a558e',
    950: '#000000',
  },
}

SCSS

$custom: #1a558e;
$custom-light: #6a84af;
$custom-dark: #000000;

JSON

{
  "hex": "#1a558e",
  "rgb": {
    "r": 26,
    "g": 85,
    "b": 142
  },
  "hsl": {
    "h": 209.483,
    "s": 69.048,
    "l": 32.941
  },
  "oklch": {
    "l": 0.44272,
    "c": 0.11104,
    "h": 251.3
  },
  "luminance": 0.0867
}

Semantic roles & 50–950 ramp

primary

#1A558E

secondary

#BE8145

accent

#923CEC

background

#F6F8FA

surface

#ECEFF4

border

#C7CACE

text

#080A10

muted

#7A7C7F

Preview Lab

Preview with #1A558E

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

Preview Lab → · Contrast checker → · Palette generator →