#1A4F83#1A4F83

#1A4F83 is a dark, moderate cyan. Relative luminance 0.074; OKLCH L 42.1% C 0.103 H 251.4°. Best body text is #FFFFFF at 8.43:1 contrast (WCAG AA passes).

Color values

HEX	#1A4F83
RGB	rgb(26, 79, 131)
HSL	hsl(210, 67%, 31%)
HSV	hsv(210, 80%, 51%)
CMYK	cmyk(80.2%, 39.7%, 0%, 48.6%)
CIE-LAB	lab(32.81, 2.32, -34.12)
CIE-LCH	lch(32.81, 34.20, 273.89°)
OKLab	oklab(42.08% -0.0328 -0.0974)
OKLCH	oklch(42.08% 0.103 251.4)
XYZ	xyz(7.3172, 7.4494, 22.5206)
Luminance	0.0745 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A4F83 #834E1A

analogous

#1A8382 #1A4F83 #1A1B83

triadic

#1A4F83 #831A4F #4F831A

tetradic

#1A4F83 #821A83 #834E1A #1B831A

square

#1A4F83 #821A83 #834E1A #1B831A

split-complementary

#1A4F83 #831A1B #83821A

monochromatic

#06111D #103050 #1A4F83 #246EB6 #3F8CD9

Accessibility & contrast

On white

8.43

#1A4F83 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.49

#1A4F83 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A4F83

8.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A4F83	#FFFFFF	#000000	##FFFFFF
##1A4F83	1.00	8.43	2.49	8.43
#FFFFFF	8.43	1.00	21.00	1.00
#000000	2.49	21.00	1.00	21.00
##FFFFFF	8.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#365285

Deuteranopia (green-blind)

#264982

Tritanopia (blue-blind)

#005B62

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #1a4f83;
/* rgb */ color: rgb(26, 79, 131);
/* oklch */ color: oklch(42.1% 0.103 251.4);

Tailwind

colors: {
  custom: {
    50: '#687fa7',
    500: '#1a4f83',
    950: '#000000',
  },
}

SCSS

$custom: #1a4f83;
$custom-light: #687fa7;
$custom-dark: #000000;

JSON

{
  "hex": "#1a4f83",
  "rgb": {
    "r": 26,
    "g": 79,
    "b": 131
  },
  "hsl": {
    "h": 209.714,
    "s": 66.879,
    "l": 30.784
  },
  "oklch": {
    "l": 0.42082,
    "c": 0.10275,
    "h": 251.4
  },
  "luminance": 0.0745
}

Semantic roles & 50–950 ramp

primary

#1A4F83

secondary

#B77C42

accent

#933EEA

background

#F6F7FA

surface

#EBEEF4

border

#C6C9CE

text

#070A0F

muted

#7A7C7F

Preview Lab

Preview with #1A4F83

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

Preview Lab → · Contrast checker → · Palette generator →