#1D4B76#1D4B76

#1D4B76 is a dark, moderate cyan. Relative luminance 0.066; OKLCH L 40.4% C 0.088 H 249.7°. Best body text is #FFFFFF at 9.05:1 contrast (WCAG AA passes).

Color values

HEX	#1D4B76
RGB	rgb(29, 75, 118)
HSL	hsl(209, 61%, 29%)
HSV	hsv(209, 75%, 46%)
CMYK	cmyk(75.4%, 36.4%, 0%, 53.7%)
CIE-LAB	lab(30.88, 0.19, -29.10)
CIE-LCH	lch(30.88, 29.10, 270.38°)
OKLab	oklab(40.35% -0.0306 -0.0827)
OKLCH	oklch(40.35% 0.088 249.7)
XYZ	xyz(6.2916, 6.6007, 18.0785)
Luminance	0.0660 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D4B76 #76481D

analogous

#1D7675 #1D4B76 #1D1F76

triadic

#1D4B76 #761D4B #4B761D

tetradic

#1D4B76 #751D76 #76481D #1F761D

square

#1D4B76 #751D76 #76481D #1F761D

split-complementary

#1D4B76 #761D1F #76751D

monochromatic

#061019 #112C45 #1D4B76 #296AA7 #3E89D0

Accessibility & contrast

On white

9.05

#1D4B76 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.32

#1D4B76 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D4B76

9.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D4B76	#FFFFFF	#000000	##FFFFFF
##1D4B76	1.00	9.05	2.32	9.05
#FFFFFF	9.05	1.00	21.00	1.00
#000000	2.32	21.00	1.00	21.00
##FFFFFF	9.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#374D78

Deuteranopia (green-blind)

#2B4575

Tritanopia (blue-blind)

#00555B

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #1d4b76;
/* rgb */ color: rgb(29, 75, 118);
/* oklch */ color: oklch(40.4% 0.088 249.7);

Tailwind

colors: {
  custom: {
    50: '#667d9e',
    500: '#1d4b76',
    950: '#000000',
  },
}

SCSS

$custom: #1d4b76;
$custom-light: #667d9e;
$custom-dark: #000000;

JSON

{
  "hex": "#1d4b76",
  "rgb": {
    "r": 29,
    "g": 75,
    "b": 118
  },
  "hsl": {
    "h": 208.989,
    "s": 60.544,
    "l": 28.824
  },
  "oklch": {
    "l": 0.40353,
    "c": 0.08817,
    "h": 249.7
  },
  "luminance": 0.06601
}

Semantic roles & 50–950 ramp

primary

#1D4B76

secondary

#AA7645

accent

#9144E4

background

#F6F7F9

surface

#EBEEF2

border

#C6C9CC

text

#06090E

muted

#7A7B7E

Preview Lab

Preview with #1D4B76

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

Preview Lab → · Contrast checker → · Palette generator →