#1A558F#1A558F

#1A558F is a dark, moderate cyan. Relative luminance 0.087; OKLCH L 44.3% C 0.112 H 251.7°. Best body text is #FFFFFF at 7.66:1 contrast (WCAG AA passes).

Color values

HEX	#1A558F
RGB	rgb(26, 85, 143)
HSL	hsl(210, 69%, 33%)
HSV	hsv(210, 82%, 56%)
CMYK	cmyk(81.8%, 40.6%, 0%, 43.9%)
CIE-LAB	lab(35.40, 3.19, -37.35)
CIE-LCH	lch(35.40, 37.49, 274.89°)
OKLab	oklab(44.34% -0.0352 -0.1067)
OKLCH	oklch(44.34% 0.112 251.7)
XYZ	xyz(8.6306, 8.6987, 27.2054)
Luminance	0.0870 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A558F #8F541A

analogous

#1A8F8E #1A558F #1A1A8F

triadic

#1A558F #8F1A55 #558F1A

tetradic

#1A558F #8E1A8F #8F541A #1A8F1A

square

#1A558F #8E1A8F #8F541A #1A8F1A

split-complementary

#1A558F #8F1A1A #8F8E1A

monochromatic

#071727 #11365B #1A558F #2374C3 #4692DD

Accessibility & contrast

On white

7.66

#1A558F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.74

#1A558F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A558F

7.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A558F	#FFFFFF	#000000	##FFFFFF
##1A558F	1.00	7.66	2.74	7.66
#FFFFFF	7.66	1.00	21.00	1.00
#000000	2.74	21.00	1.00	21.00
##FFFFFF	7.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#395991

Deuteranopia (green-blind)

#264E8E

Tritanopia (blue-blind)

#00636B

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #1a558f;
/* rgb */ color: rgb(26, 85, 143);
/* oklch */ color: oklch(44.3% 0.112 251.7);

Tailwind

colors: {
  custom: {
    50: '#6a84b0',
    500: '#1a558f',
    950: '#000000',
  },
}

SCSS

$custom: #1a558f;
$custom-light: #6a84b0;
$custom-dark: #000000;

JSON

{
  "hex": "#1a558f",
  "rgb": {
    "r": 26,
    "g": 85,
    "b": 143
  },
  "hsl": {
    "h": 209.744,
    "s": 69.231,
    "l": 33.137
  },
  "oklch": {
    "l": 0.44338,
    "c": 0.11239,
    "h": 251.7
  },
  "luminance": 0.087
}

Semantic roles & 50–950 ramp

primary

#1A558F

secondary

#BF8246

accent

#933CEC

background

#F6F8FA

surface

#ECEFF5

border

#C7CACF

text

#080A10

muted

#7A7C7F

Preview Lab

Preview with #1A558F

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

Preview Lab → · Contrast checker → · Palette generator →