#1D4E77#1D4E77

#1D4E77 is a dark, moderate cyan. Relative luminance 0.070; OKLCH L 41.2% C 0.086 H 247.2°. Best body text is #FFFFFF at 8.72:1 contrast (WCAG AA passes).

Color values

HEX	#1D4E77
RGB	rgb(29, 78, 119)
HSL	hsl(207, 61%, 29%)
HSV	hsv(207, 76%, 47%)
CMYK	cmyk(75.6%, 34.5%, 0%, 53.3%)
CIE-LAB	lab(31.90, -1.38, -28.11)
CIE-LCH	lch(31.90, 28.14, 267.20°)
OKLab	oklab(41.17% -0.0335 -0.0797)
OKLCH	oklch(41.17% 0.086 247.2)
XYZ	xyz(6.5596, 7.0412, 18.4626)
Luminance	0.0704 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D4E77 #77461D

analogous

#1D7773 #1D4E77 #1D2177

triadic

#1D4E77 #771D4E #4E771D

tetradic

#1D4E77 #731D77 #77461D #21771D

square

#1D4E77 #731D77 #77461D #21771D

split-complementary

#1D4E77 #771D21 #77731D

monochromatic

#061019 #112E46 #1D4E77 #296EA8 #3E8ED0

Accessibility & contrast

On white

8.72

#1D4E77 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.41

#1D4E77 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D4E77

8.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D4E77	#FFFFFF	#000000	##FFFFFF
##1D4E77	1.00	8.72	2.41	8.72
#FFFFFF	8.72	1.00	21.00	1.00
#000000	2.41	21.00	1.00	21.00
##FFFFFF	8.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3B5079

Deuteranopia (green-blind)

#2F4776

Tritanopia (blue-blind)

#00585D

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #1d4e77;
/* rgb */ color: rgb(29, 78, 119);
/* oklch */ color: oklch(41.2% 0.086 247.2);

Tailwind

colors: {
  custom: {
    50: '#667f9e',
    500: '#1d4e77',
    950: '#000000',
  },
}

SCSS

$custom: #1d4e77;
$custom-light: #667f9e;
$custom-dark: #000000;

JSON

{
  "hex": "#1d4e77",
  "rgb": {
    "r": 29,
    "g": 78,
    "b": 119
  },
  "hsl": {
    "h": 207.333,
    "s": 60.811,
    "l": 29.02
  },
  "oklch": {
    "l": 0.41173,
    "c": 0.08649,
    "h": 247.2
  },
  "luminance": 0.07042
}

Semantic roles & 50–950 ramp

primary

#1D4E77

secondary

#AB7345

accent

#8D44E4

background

#F6F7F9

surface

#EBEEF2

border

#C6C9CC

text

#060A0E

muted

#7A7C7E

Preview Lab

Preview with #1D4E77

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

Preview Lab → · Contrast checker → · Palette generator →