#1A558C#1A558C

#1A558C is a dark, moderate cyan. Relative luminance 0.086; OKLCH L 44.1% C 0.108 H 250.6°. Best body text is #FFFFFF at 7.71:1 contrast (WCAG AA passes).

Color values

HEX	#1A558C
RGB	rgb(26, 85, 140)
HSL	hsl(209, 69%, 33%)
HSV	hsv(209, 81%, 55%)
CMYK	cmyk(81.4%, 39.3%, 0%, 45.1%)
CIE-LAB	lab(35.22, 1.99, -35.81)
CIE-LCH	lch(35.22, 35.86, 273.19°)
OKLab	oklab(44.14% -0.036 -0.1022)
OKLCH	oklch(44.14% 0.108 250.6)
XYZ	xyz(8.4063, 8.6090, 26.0245)
Luminance	0.0861 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A558C #8C511A

analogous

#1A8C8A #1A558C #1A1C8C

triadic

#1A558C #8C1A55 #558C1A

tetradic

#1A558C #8A1A8C #8C511A #1C8C1A

square

#1A558C #8A1A8C #8C511A #1C8C1A

split-complementary

#1A558C #8C1A1C #8C8A1A

monochromatic

#071625 #103658 #1A558C #2474C0 #4493DC

Accessibility & contrast

On white

7.71

#1A558C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.72

#1A558C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A558C

7.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A558C	#FFFFFF	#000000	##FFFFFF
##1A558C	1.00	7.71	2.72	7.71
#FFFFFF	7.71	1.00	21.00	1.00
#000000	2.72	21.00	1.00	21.00
##FFFFFF	7.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3B588E

Deuteranopia (green-blind)

#294E8B

Tritanopia (blue-blind)

#006269

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #1a558c;
/* rgb */ color: rgb(26, 85, 140);
/* oklch */ color: oklch(44.1% 0.108 250.6);

Tailwind

colors: {
  custom: {
    50: '#6a84ae',
    500: '#1a558c',
    950: '#000000',
  },
}

SCSS

$custom: #1a558c;
$custom-light: #6a84ae;
$custom-dark: #000000;

JSON

{
  "hex": "#1a558c",
  "rgb": {
    "r": 26,
    "g": 85,
    "b": 140
  },
  "hsl": {
    "h": 208.947,
    "s": 68.675,
    "l": 32.549
  },
  "oklch": {
    "l": 0.44142,
    "c": 0.10836,
    "h": 250.6
  },
  "luminance": 0.0861
}

Semantic roles & 50–950 ramp

primary

#1A558C

secondary

#BE7F44

accent

#913CEC

background

#F6F8FA

surface

#ECEFF4

border

#C7CACE

text

#070A10

muted

#7A7C7F

Preview Lab

Preview with #1A558C

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

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