#1A558D#1A558D

#1A558D is a dark, moderate cyan. Relative luminance 0.086; OKLCH L 44.2% C 0.110 H 251.0°. Best body text is #FFFFFF at 7.70:1 contrast (WCAG AA passes).

Color values

HEX	#1A558D
RGB	rgb(26, 85, 141)
HSL	hsl(209, 69%, 33%)
HSV	hsv(209, 82%, 55%)
CMYK	cmyk(81.6%, 39.7%, 0%, 44.7%)
CIE-LAB	lab(35.28, 2.39, -36.32)
CIE-LCH	lch(35.28, 36.40, 273.77°)
OKLab	oklab(44.21% -0.0358 -0.1037)
OKLCH	oklch(44.21% 0.11 251)
XYZ	xyz(8.4804, 8.6387, 26.4146)
Luminance	0.0864 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A558D #8D521A

analogous

#1A8D8B #1A558D #1A1C8D

triadic

#1A558D #8D1A55 #558D1A

tetradic

#1A558D #8B1A8D #8D521A #1C8D1A

square

#1A558D #8B1A8D #8D521A #1C8D1A

split-complementary

#1A558D #8D1A1C #8D8B1A

monochromatic

#071726 #103659 #1A558D #2474C1 #4593DD

Accessibility & contrast

On white

7.70

#1A558D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.73

#1A558D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A558D

7.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A558D	#FFFFFF	#000000	##FFFFFF
##1A558D	1.00	7.70	2.73	7.70
#FFFFFF	7.70	1.00	21.00	1.00
#000000	2.73	21.00	1.00	21.00
##FFFFFF	7.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3A598F

Deuteranopia (green-blind)

#284E8C

Tritanopia (blue-blind)

#00626A

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #1a558d;
/* rgb */ color: rgb(26, 85, 141);
/* oklch */ color: oklch(44.2% 0.110 251.0);

Tailwind

colors: {
  custom: {
    50: '#6a84af',
    500: '#1a558d',
    950: '#000000',
  },
}

SCSS

$custom: #1a558d;
$custom-light: #6a84af;
$custom-dark: #000000;

JSON

{
  "hex": "#1a558d",
  "rgb": {
    "r": 26,
    "g": 85,
    "b": 141
  },
  "hsl": {
    "h": 209.217,
    "s": 68.862,
    "l": 32.745
  },
  "oklch": {
    "l": 0.44207,
    "c": 0.1097,
    "h": 251
  },
  "luminance": 0.0864
}

Semantic roles & 50–950 ramp

primary

#1A558D

secondary

#BE8045

accent

#923CEC

background

#F6F8FA

surface

#ECEFF4

border

#C7CACE

text

#070A10

muted

#7A7C7F

Preview Lab

Preview with #1A558D

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

Preview Lab → · Contrast checker → · Palette generator →