#1D4E7E#1D4E7E

#1D4E7E is a dark, moderate cyan. Relative luminance 0.072; OKLCH L 41.6% C 0.096 H 250.9°. Best body text is #FFFFFF at 8.60:1 contrast (WCAG AA passes).

Color values

HEX	#1D4E7E
RGB	rgb(29, 78, 126)
HSL	hsl(210, 63%, 30%)
HSV	hsv(210, 77%, 49%)
CMYK	cmyk(77%, 38.1%, 0%, 50.6%)
CIE-LAB	lab(32.29, 1.38, -31.85)
CIE-LCH	lch(32.29, 31.88, 272.48°)
OKLab	oklab(41.61% -0.0314 -0.0907)
OKLCH	oklch(41.61% 0.096 250.9)
XYZ	xyz(6.9956, 7.2156, 20.7587)
Luminance	0.0722 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D4E7E #7E4D1D

analogous

#1D7E7E #1D4E7E #1D1D7E

triadic

#1D4E7E #7E1D4E #4E7E1D

tetradic

#1D4E7E #7E1D7E #7E4D1D #1D7E1D

square

#1D4E7E #7E1D7E #7E4D1D #1D7E1D

split-complementary

#1D4E7E #7E1D1D #7E7E1D

monochromatic

#06101B #122F4C #1D4E7E #286DB0 #428BD3

Accessibility & contrast

On white

8.60

#1D4E7E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.44

#1D4E7E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D4E7E

8.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D4E7E	#FFFFFF	#000000	##FFFFFF
##1D4E7E	1.00	8.60	2.44	8.60
#FFFFFF	8.60	1.00	21.00	1.00
#000000	2.44	21.00	1.00	21.00
##FFFFFF	8.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#385180

Deuteranopia (green-blind)

#29487D

Tritanopia (blue-blind)

#005960

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #1d4e7e;
/* rgb */ color: rgb(29, 78, 126);
/* oklch */ color: oklch(41.6% 0.096 250.9);

Tailwind

colors: {
  custom: {
    50: '#677fa3',
    500: '#1d4e7e',
    950: '#000000',
  },
}

SCSS

$custom: #1d4e7e;
$custom-light: #677fa3;
$custom-dark: #000000;

JSON

{
  "hex": "#1d4e7e",
  "rgb": {
    "r": 29,
    "g": 78,
    "b": 126
  },
  "hsl": {
    "h": 209.691,
    "s": 62.581,
    "l": 30.392
  },
  "oklch": {
    "l": 0.41609,
    "c": 0.09595,
    "h": 250.9
  },
  "luminance": 0.07216
}

Semantic roles & 50–950 ramp

primary

#1D4E7E

secondary

#B17B45

accent

#9342E6

background

#F6F7FA

surface

#EBEEF4

border

#C6C9CE

text

#070A0F

muted

#7A7C7F

Preview Lab

Preview with #1D4E7E

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

Preview Lab → · Contrast checker → · Palette generator →