#1A557C#1A557C

#1A557C is a dark, moderate cyan. Relative luminance 0.082; OKLCH L 43.2% C 0.088 H 242.2°. Best body text is #FFFFFF at 7.97:1 contrast (WCAG AA passes).

Color values

HEX	#1A557C
RGB	rgb(26, 85, 124)
HSL	hsl(204, 65%, 29%)
HSV	hsv(204, 79%, 49%)
CMYK	cmyk(79%, 31.5%, 0%, 51.4%)
CIE-LAB	lab(34.34, -4.32, -27.39)
CIE-LCH	lch(34.34, 27.73, 261.03°)
OKLab	oklab(43.16% -0.0409 -0.0776)
OKLCH	oklch(43.16% 0.088 242.2)
XYZ	xyz(7.3112, 8.1710, 20.2567)
Luminance	0.0817 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A557C #7C411A

analogous

#1A7C72 #1A557C #1A247C

triadic

#1A557C #7C1A55 #557C1A

tetradic

#1A557C #721A7C #7C411A #247C1A

square

#1A557C #721A7C #7C411A #247C1A

split-complementary

#1A557C #7C1A24 #7C721A

monochromatic

#051119 #0F3249 #1A557C #2578AF #3B98D6

Accessibility & contrast

On white

7.97

#1A557C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.63

#1A557C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A557C

7.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A557C	#FFFFFF	#000000	##FFFFFF
##1A557C	1.00	7.97	2.63	7.97
#FFFFFF	7.97	1.00	21.00	1.00
#000000	2.63	21.00	1.00	21.00
##FFFFFF	7.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#43567E

Deuteranopia (green-blind)

#354D7B

Tritanopia (blue-blind)

#005F63

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #1a557c;
/* rgb */ color: rgb(26, 85, 124);
/* oklch */ color: oklch(43.2% 0.088 242.2);

Tailwind

colors: {
  custom: {
    50: '#6684a2',
    500: '#1a557c',
    950: '#000000',
  },
}

SCSS

$custom: #1a557c;
$custom-light: #6684a2;
$custom-dark: #000000;

JSON

{
  "hex": "#1a557c",
  "rgb": {
    "r": 26,
    "g": 85,
    "b": 124
  },
  "hsl": {
    "h": 203.878,
    "s": 65.333,
    "l": 29.412
  },
  "oklch": {
    "l": 0.43157,
    "c": 0.08767,
    "h": 242.2
  },
  "luminance": 0.08172
}

Semantic roles & 50–950 ramp

primary

#1A557C

secondary

#B06E42

accent

#8340E8

background

#F6F8FA

surface

#EBEFF3

border

#C6CACD

text

#070A0F

muted

#7A7C7F

Preview Lab

Preview with #1A557C

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

Preview Lab → · Contrast checker → · Palette generator →