#1A557F#1A557F

#1A557F is a dark, moderate cyan. Relative luminance 0.082; OKLCH L 43.3% C 0.091 H 244.1°. Best body text is #FFFFFF at 7.93:1 contrast (WCAG AA passes).

Color values

HEX	#1A557F
RGB	rgb(26, 85, 127)
HSL	hsl(205, 66%, 30%)
HSV	hsv(205, 80%, 50%)
CMYK	cmyk(79.5%, 33.1%, 0%, 50.2%)
CIE-LAB	lab(34.49, -3.15, -28.99)
CIE-LCH	lch(34.49, 29.16, 263.79°)
OKLab	oklab(43.33% -0.0399 -0.0822)
OKLCH	oklch(43.33% 0.091 244.1)
XYZ	xyz(7.5038, 8.2480, 21.2711)
Luminance	0.0825 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A557F #7F441A

analogous

#1A7F76 #1A557F #1A237F

triadic

#1A557F #7F1A55 #557F1A

tetradic

#1A557F #761A7F #7F441A #237F1A

square

#1A557F #761A7F #7F441A #237F1A

split-complementary

#1A557F #7F1A23 #7F761A

monochromatic

#051119 #10334C #1A557F #2477B2 #3C97D7

Accessibility & contrast

On white

7.93

#1A557F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.65

#1A557F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A557F

7.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A557F	#FFFFFF	#000000	##FFFFFF
##1A557F	1.00	7.93	2.65	7.93
#FFFFFF	7.93	1.00	21.00	1.00
#000000	2.65	21.00	1.00	21.00
##FFFFFF	7.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#425681

Deuteranopia (green-blind)

#334D7E

Tritanopia (blue-blind)

#005F64

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #1a557f;
/* rgb */ color: rgb(26, 85, 127);
/* oklch */ color: oklch(43.3% 0.091 244.1);

Tailwind

colors: {
  custom: {
    50: '#6784a4',
    500: '#1a557f',
    950: '#000000',
  },
}

SCSS

$custom: #1a557f;
$custom-light: #6784a4;
$custom-dark: #000000;

JSON

{
  "hex": "#1a557f",
  "rgb": {
    "r": 26,
    "g": 85,
    "b": 127
  },
  "hsl": {
    "h": 204.95,
    "s": 66.013,
    "l": 30
  },
  "oklch": {
    "l": 0.43334,
    "c": 0.09139,
    "h": 244.1
  },
  "luminance": 0.08249
}

Semantic roles & 50–950 ramp

primary

#1A557F

secondary

#B37142

accent

#863FE9

background

#F6F8FA

surface

#EBEFF4

border

#C6CACE

text

#070A0F

muted

#7A7C7F

Preview Lab

Preview with #1A557F

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

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