#1D4479#1D4479

#1D4479 is a dark, moderate cyan. Relative luminance 0.058; OKLCH L 38.8% C 0.100 H 256.9°. Best body text is #FFFFFF at 9.74:1 contrast (WCAG AA passes).

Color values

HEX	#1D4479
RGB	rgb(29, 68, 121)
HSL	hsl(215, 61%, 29%)
HSV	hsv(215, 76%, 47%)
CMYK	cmyk(76%, 43.8%, 0%, 52.5%)
CIE-LAB	lab(28.84, 6.08, -34.22)
CIE-LCH	lch(28.84, 34.76, 280.07°)
OKLab	oklab(38.82% -0.0227 -0.0978)
OKLCH	oklch(38.82% 0.1 256.9)
XYZ	xyz(6.0237, 5.7753, 18.8827)
Luminance	0.0578 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D4479 #79521D

analogous

#1D7279 #1D4479 #241D79

triadic

#1D4479 #791D44 #44791D

tetradic

#1D4479 #791D72 #79521D #1D7924

square

#1D4479 #791D72 #79521D #1D7924

split-complementary

#1D4479 #79241D #72791D

monochromatic

#060E19 #112848 #1D4479 #2960AA #3F7DD1

Accessibility & contrast

On white

9.74

#1D4479 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.16

#1D4479 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D4479

9.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D4479	#FFFFFF	#000000	##FFFFFF
##1D4479	1.00	9.74	2.16	9.74
#FFFFFF	9.74	1.00	21.00	1.00
#000000	2.16	21.00	1.00	21.00
##FFFFFF	9.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A497B

Deuteranopia (green-blind)

#1B4078

Tritanopia (blue-blind)

#005058

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #1d4479;
/* rgb */ color: rgb(29, 68, 121);
/* oklch */ color: oklch(38.8% 0.100 256.9);

Tailwind

colors: {
  custom: {
    50: '#6677a0',
    500: '#1d4479',
    950: '#000000',
  },
}

SCSS

$custom: #1d4479;
$custom-light: #6677a0;
$custom-dark: #000000;

JSON

{
  "hex": "#1d4479",
  "rgb": {
    "r": 29,
    "g": 68,
    "b": 121
  },
  "hsl": {
    "h": 214.565,
    "s": 61.333,
    "l": 29.412
  },
  "oklch": {
    "l": 0.38818,
    "c": 0.10043,
    "h": 256.9
  },
  "luminance": 0.05776
}

Semantic roles & 50–950 ramp

primary

#1D4479

secondary

#AD8145

accent

#A043E4

background

#F6F7F9

surface

#EBEDF2

border

#C6C8CC

text

#07080F

muted

#7A7B7E

Preview Lab

Preview with #1D4479

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

Preview Lab → · Contrast checker → · Palette generator →