#1A558B#1A558B

#1A558B is a dark, moderate cyan. Relative luminance 0.086; OKLCH L 44.1% C 0.107 H 250.2°. Best body text is #FFFFFF at 7.73:1 contrast (WCAG AA passes).

Color values

HEX	#1A558B
RGB	rgb(26, 85, 139)
HSL	hsl(209, 68%, 32%)
HSV	hsv(209, 81%, 55%)
CMYK	cmyk(81.3%, 38.8%, 0%, 45.5%)
CIE-LAB	lab(35.16, 1.59, -35.29)
CIE-LCH	lch(35.16, 35.33, 272.59°)
OKLab	oklab(44.08% -0.0363 -0.1007)
OKLCH	oklch(44.08% 0.107 250.2)
XYZ	xyz(8.3329, 8.5797, 25.6380)
Luminance	0.0858 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A558B #8B501A

analogous

#1A8B89 #1A558B #1A1C8B

triadic

#1A558B #8B1A55 #558B1A

tetradic

#1A558B #891A8B #8B501A #1C8B1A

square

#1A558B #891A8B #8B501A #1C8B1A

split-complementary

#1A558B #8B1A1C #8B891A

monochromatic

#071624 #103557 #1A558B #2475BF #4393DC

Accessibility & contrast

On white

7.73

#1A558B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.72

#1A558B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A558B

7.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A558B	#FFFFFF	#000000	##FFFFFF
##1A558B	1.00	7.73	2.72	7.73
#FFFFFF	7.73	1.00	21.00	1.00
#000000	2.72	21.00	1.00	21.00
##FFFFFF	7.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3B588D

Deuteranopia (green-blind)

#2A4E8A

Tritanopia (blue-blind)

#006269

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #1a558b;
/* rgb */ color: rgb(26, 85, 139);
/* oklch */ color: oklch(44.1% 0.107 250.2);

Tailwind

colors: {
  custom: {
    50: '#6984ad',
    500: '#1a558b',
    950: '#000000',
  },
}

SCSS

$custom: #1a558b;
$custom-light: #6984ad;
$custom-dark: #000000;

JSON

{
  "hex": "#1a558b",
  "rgb": {
    "r": 26,
    "g": 85,
    "b": 139
  },
  "hsl": {
    "h": 208.673,
    "s": 68.485,
    "l": 32.353
  },
  "oklch": {
    "l": 0.44077,
    "c": 0.10701,
    "h": 250.2
  },
  "luminance": 0.08581
}

Semantic roles & 50–950 ramp

primary

#1A558B

secondary

#BD7E44

accent

#903CEB

background

#F6F8FA

surface

#ECEFF4

border

#C7CACE

text

#070A10

muted

#7A7C7F

Preview Lab

Preview with #1A558B

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

Preview Lab → · Contrast checker → · Palette generator →