#1A557A#1A557A

#1A557A is a dark, moderate cyan. Relative luminance 0.081; OKLCH L 43.0% C 0.085 H 240.8°. Best body text is #FFFFFF at 8.00:1 contrast (WCAG AA passes).

Color values

HEX	#1A557A
RGB	rgb(26, 85, 122)
HSL	hsl(203, 65%, 29%)
HSV	hsv(203, 79%, 48%)
CMYK	cmyk(78.7%, 30.3%, 0%, 52.2%)
CIE-LAB	lab(34.23, -5.10, -26.31)
CIE-LCH	lch(34.23, 26.80, 259.03°)
OKLab	oklab(43.04% -0.0415 -0.0744)
OKLCH	oklch(43.04% 0.085 240.8)
XYZ	xyz(7.1860, 8.1209, 19.5973)
Luminance	0.0812 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A557A #7A3F1A

analogous

#1A7A6F #1A557A #1A257A

triadic

#1A557A #7A1A55 #557A1A

tetradic

#1A557A #6F1A7A #7A3F1A #257A1A

square

#1A557A #6F1A7A #7A3F1A #257A1A

split-complementary

#1A557A #7A1A25 #7A6F1A

monochromatic

#051219 #0F3248 #1A557A #2578AC #3999D5

Accessibility & contrast

On white

8.00

#1A557A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.62

#1A557A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A557A

8.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A557A	#FFFFFF	#000000	##FFFFFF
##1A557A	1.00	8.00	2.62	8.00
#FFFFFF	8.00	1.00	21.00	1.00
#000000	2.62	21.00	1.00	21.00
##FFFFFF	8.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#44557C

Deuteranopia (green-blind)

#374C79

Tritanopia (blue-blind)

#005E62

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #1a557a;
/* rgb */ color: rgb(26, 85, 122);
/* oklch */ color: oklch(43.0% 0.085 240.8);

Tailwind

colors: {
  custom: {
    50: '#6684a0',
    500: '#1a557a',
    950: '#000000',
  },
}

SCSS

$custom: #1a557a;
$custom-light: #6684a0;
$custom-dark: #000000;

JSON

{
  "hex": "#1a557a",
  "rgb": {
    "r": 26,
    "g": 85,
    "b": 122
  },
  "hsl": {
    "h": 203.125,
    "s": 64.865,
    "l": 29.02
  },
  "oklch": {
    "l": 0.43042,
    "c": 0.08525,
    "h": 240.8
  },
  "luminance": 0.08122
}

Semantic roles & 50–950 ramp

primary

#1A557A

secondary

#AE6B41

accent

#8140E8

background

#F6F8F9

surface

#EBEFF2

border

#C6CACC

text

#070B0F

muted

#7A7C7E

Preview Lab

Preview with #1A557A

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

Preview Lab → · Contrast checker → · Palette generator →