#1D4D74#1D4D74

#1D4D74 is a dark, moderate cyan. Relative luminance 0.068; OKLCH L 40.7% C 0.083 H 246.4°. Best body text is #FFFFFF at 8.88:1 contrast (WCAG AA passes).

Color values

HEX	#1D4D74
RGB	rgb(29, 77, 116)
HSL	hsl(207, 60%, 28%)
HSV	hsv(207, 75%, 45%)
CMYK	cmyk(75%, 33.6%, 0%, 54.5%)
CIE-LAB	lab(31.41, -1.90, -27.00)
CIE-LCH	lch(31.41, 27.07, 265.98°)
OKLab	oklab(40.74% -0.0334 -0.0765)
OKLCH	oklch(40.74% 0.083 246.4)
XYZ	xyz(6.3118, 6.8292, 17.5051)
Luminance	0.0683 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D4D74 #74441D

analogous

#1D746F #1D4D74 #1D2174

triadic

#1D4D74 #741D4D #4D741D

tetradic

#1D4D74 #6F1D74 #74441D #21741D

square

#1D4D74 #6F1D74 #74441D #21741D

split-complementary

#1D4D74 #741D21 #746F1D

monochromatic

#061018 #112C43 #1D4D74 #296DA5 #3D8DCE

Accessibility & contrast

On white

8.88

#1D4D74 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.37

#1D4D74 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D4D74

8.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D4D74	#FFFFFF	#000000	##FFFFFF
##1D4D74	1.00	8.88	2.37	8.88
#FFFFFF	8.88	1.00	21.00	1.00
#000000	2.37	21.00	1.00	21.00
##FFFFFF	8.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3B4E76

Deuteranopia (green-blind)

#2F4673

Tritanopia (blue-blind)

#00565B

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #1d4d74;
/* rgb */ color: rgb(29, 77, 116);
/* oklch */ color: oklch(40.7% 0.083 246.4);

Tailwind

colors: {
  custom: {
    50: '#657e9c',
    500: '#1d4d74',
    950: '#000000',
  },
}

SCSS

$custom: #1d4d74;
$custom-light: #657e9c;
$custom-dark: #000000;

JSON

{
  "hex": "#1d4d74",
  "rgb": {
    "r": 29,
    "g": 77,
    "b": 116
  },
  "hsl": {
    "h": 206.897,
    "s": 60,
    "l": 28.431
  },
  "oklch": {
    "l": 0.40737,
    "c": 0.08348,
    "h": 246.4
  },
  "luminance": 0.0683
}

Semantic roles & 50–950 ramp

primary

#1D4D74

secondary

#A87145

accent

#8C45E3

background

#F6F7F9

surface

#EBEEF2

border

#C6C9CC

text

#06090E

muted

#7A7B7E

Preview Lab

Preview with #1D4D74

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

Preview Lab → · Contrast checker → · Palette generator →