#1D4E74#1D4E74

#1D4E74 is a dark, moderate cyan. Relative luminance 0.070; OKLCH L 41.0% C 0.083 H 245.3°. Best body text is #FFFFFF at 8.77:1 contrast (WCAG AA passes).

Color values

HEX	#1D4E74
RGB	rgb(29, 78, 116)
HSL	hsl(206, 60%, 28%)
HSV	hsv(206, 75%, 45%)
CMYK	cmyk(75%, 32.8%, 0%, 54.5%)
CIE-LAB	lab(31.74, -2.54, -26.49)
CIE-LCH	lch(31.74, 26.61, 264.52°)
OKLab	oklab(40.99% -0.0344 -0.075)
OKLCH	oklch(40.99% 0.083 245.3)
XYZ	xyz(6.3823, 6.9702, 17.5286)
Luminance	0.0697 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D4E74 #74431D

analogous

#1D746E #1D4E74 #1D2274

triadic

#1D4E74 #741D4E #4E741D

tetradic

#1D4E74 #6E1D74 #74431D #22741D

square

#1D4E74 #6E1D74 #74431D #22741D

split-complementary

#1D4E74 #741D22 #746E1D

monochromatic

#061018 #112D43 #1D4E74 #296FA5 #3D8FCE

Accessibility & contrast

On white

8.77

#1D4E74 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.39

#1D4E74 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D4E74

8.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D4E74	#FFFFFF	#000000	##FFFFFF
##1D4E74	1.00	8.77	2.39	8.77
#FFFFFF	8.77	1.00	21.00	1.00
#000000	2.39	21.00	1.00	21.00
##FFFFFF	8.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3D4F76

Deuteranopia (green-blind)

#314773

Tritanopia (blue-blind)

#00575B

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #1d4e74;
/* rgb */ color: rgb(29, 78, 116);
/* oklch */ color: oklch(41.0% 0.083 245.3);

Tailwind

colors: {
  custom: {
    50: '#657f9c',
    500: '#1d4e74',
    950: '#000000',
  },
}

SCSS

$custom: #1d4e74;
$custom-light: #657f9c;
$custom-dark: #000000;

JSON

{
  "hex": "#1d4e74",
  "rgb": {
    "r": 29,
    "g": 78,
    "b": 116
  },
  "hsl": {
    "h": 206.207,
    "s": 60,
    "l": 28.431
  },
  "oklch": {
    "l": 0.40993,
    "c": 0.08255,
    "h": 245.3
  },
  "luminance": 0.06971
}

Semantic roles & 50–950 ramp

primary

#1D4E74

secondary

#A87045

accent

#8A45E3

background

#F6F7F9

surface

#EBEEF2

border

#C6C9CC

text

#060A0E

muted

#7A7C7E

Preview Lab

Preview with #1D4E74

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

Preview Lab → · Contrast checker → · Palette generator →