#1D4572#1D4572

#1D4572 is a dark, moderate cyan. Relative luminance 0.057; OKLCH L 38.6% C 0.089 H 253.4°. Best body text is #FFFFFF at 9.78:1 contrast (WCAG AA passes).

Color values

HEX	#1D4572
RGB	rgb(29, 69, 114)
HSL	hsl(212, 59%, 28%)
HSV	hsv(212, 75%, 45%)
CMYK	cmyk(74.6%, 39.5%, 0%, 55.3%)
CIE-LAB	lab(28.73, 2.60, -30.00)
CIE-LCH	lch(28.73, 30.11, 274.95°)
OKLab	oklab(38.59% -0.0255 -0.0854)
OKLCH	oklch(38.59% 0.089 253.4)
XYZ	xyz(5.6710, 5.7317, 16.7238)
Luminance	0.0573 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D4572 #724A1D

analogous

#1D6F72 #1D4572 #1F1D72

triadic

#1D4572 #721D45 #45721D

tetradic

#1D4572 #721D6F #724A1D #1D721F

square

#1D4572 #721D6F #724A1D #1D721F

split-complementary

#1D4572 #721F1D #6F721D

monochromatic

#060F18 #112741 #1D4572 #2963A3 #3C80CD

Accessibility & contrast

On white

9.78

#1D4572 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.15

#1D4572 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D4572

9.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D4572	#FFFFFF	#000000	##FFFFFF
##1D4572	1.00	9.78	2.15	9.78
#FFFFFF	9.78	1.00	21.00	1.00
#000000	2.15	21.00	1.00	21.00
##FFFFFF	9.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#304874

Deuteranopia (green-blind)

#244071

Tritanopia (blue-blind)

#005056

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #1d4572;
/* rgb */ color: rgb(29, 69, 114);
/* oklch */ color: oklch(38.6% 0.089 253.4);

Tailwind

colors: {
  custom: {
    50: '#65789b',
    500: '#1d4572',
    950: '#000000',
  },
}

SCSS

$custom: #1d4572;
$custom-light: #65789b;
$custom-dark: #000000;

JSON

{
  "hex": "#1d4572",
  "rgb": {
    "r": 29,
    "g": 69,
    "b": 114
  },
  "hsl": {
    "h": 211.765,
    "s": 59.441,
    "l": 28.039
  },
  "oklch": {
    "l": 0.3859,
    "c": 0.08913,
    "h": 253.4
  },
  "luminance": 0.05732
}

Semantic roles & 50–950 ramp

primary

#1D4572

secondary

#A67845

accent

#9945E3

background

#F6F7F9

surface

#EBEDF2

border

#C6C8CC

text

#06080E

muted

#7A7B7E

Preview Lab

Preview with #1D4572

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

Preview Lab → · Contrast checker → · Palette generator →