#1A557E#1A557E

#1A557E is a dark, moderate cyan. Relative luminance 0.082; OKLCH L 43.3% C 0.090 H 243.5°. Best body text is #FFFFFF at 7.94:1 contrast (WCAG AA passes).

Color values

HEX	#1A557E
RGB	rgb(26, 85, 126)
HSL	hsl(205, 66%, 30%)
HSV	hsv(205, 79%, 49%)
CMYK	cmyk(79.4%, 32.5%, 0%, 50.6%)
CIE-LAB	lab(34.44, -3.54, -28.46)
CIE-LCH	lch(34.44, 28.68, 262.90°)
OKLab	oklab(43.27% -0.0402 -0.0807)
OKLCH	oklch(43.27% 0.09 243.5)
XYZ	xyz(7.4389, 8.2221, 20.9296)
Luminance	0.0822 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A557E #7E431A

analogous

#1A7E75 #1A557E #1A237E

triadic

#1A557E #7E1A55 #557E1A

tetradic

#1A557E #751A7E #7E431A #237E1A

square

#1A557E #751A7E #7E431A #237E1A

split-complementary

#1A557E #7E1A23 #7E751A

monochromatic

#051119 #10334B #1A557E #2477B1 #3C97D7

Accessibility & contrast

On white

7.94

#1A557E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.64

#1A557E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A557E

7.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A557E	#FFFFFF	#000000	##FFFFFF
##1A557E	1.00	7.94	2.64	7.94
#FFFFFF	7.94	1.00	21.00	1.00
#000000	2.64	21.00	1.00	21.00
##FFFFFF	7.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#425680

Deuteranopia (green-blind)

#344D7D

Tritanopia (blue-blind)

#005F64

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #1a557e;
/* rgb */ color: rgb(26, 85, 126);
/* oklch */ color: oklch(43.3% 0.090 243.5);

Tailwind

colors: {
  custom: {
    50: '#6784a3',
    500: '#1a557e',
    950: '#000000',
  },
}

SCSS

$custom: #1a557e;
$custom-light: #6784a3;
$custom-dark: #000000;

JSON

{
  "hex": "#1a557e",
  "rgb": {
    "r": 26,
    "g": 85,
    "b": 126
  },
  "hsl": {
    "h": 204.6,
    "s": 65.789,
    "l": 29.804
  },
  "oklch": {
    "l": 0.43274,
    "c": 0.09014,
    "h": 243.5
  },
  "luminance": 0.08223
}

Semantic roles & 50–950 ramp

primary

#1A557E

secondary

#B27042

accent

#853FE9

background

#F6F8FA

surface

#EBEFF4

border

#C6CACE

text

#070A0F

muted

#7A7C7F

Preview Lab

Preview with #1A557E

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

Preview Lab → · Contrast checker → · Palette generator →