#1D4A7B#1D4A7B

#1D4A7B is a dark, moderate cyan. Relative luminance 0.066; OKLCH L 40.4% C 0.096 H 253.0°. Best body text is #FFFFFF at 9.06:1 contrast (WCAG AA passes).

Color values

HEX	#1D4A7B
RGB	rgb(29, 74, 123)
HSL	hsl(211, 62%, 30%)
HSV	hsv(211, 76%, 48%)
CMYK	cmyk(76.4%, 39.8%, 0%, 51.8%)
CIE-LAB	lab(30.85, 2.84, -32.27)
CIE-LCH	lch(30.85, 32.39, 275.02°)
OKLab	oklab(40.42% -0.0282 -0.092)
OKLCH	oklch(40.42% 0.096 253)
XYZ	xyz(6.5293, 6.5881, 19.6626)
Luminance	0.0659 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D4A7B #7B4E1D

analogous

#1D797B #1D4A7B #1F1D7B

triadic

#1D4A7B #7B1D4A #4A7B1D

tetradic

#1D4A7B #7B1D79 #7B4E1D #1D7B1F

square

#1D4A7B #7B1D79 #7B4E1D #1D7B1F

split-complementary

#1D4A7B #7B1F1D #797B1D

monochromatic

#060F19 #112C49 #1D4A7B #2968AD #4086D2

Accessibility & contrast

On white

9.06

#1D4A7B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.32

#1D4A7B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D4A7B

9.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D4A7B	#FFFFFF	#000000	##FFFFFF
##1D4A7B	1.00	9.06	2.32	9.06
#FFFFFF	9.06	1.00	21.00	1.00
#000000	2.32	21.00	1.00	21.00
##FFFFFF	9.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#334D7D

Deuteranopia (green-blind)

#25457A

Tritanopia (blue-blind)

#00565C

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #1d4a7b;
/* rgb */ color: rgb(29, 74, 123);
/* oklch */ color: oklch(40.4% 0.096 253.0);

Tailwind

colors: {
  custom: {
    50: '#677ca1',
    500: '#1d4a7b',
    950: '#000000',
  },
}

SCSS

$custom: #1d4a7b;
$custom-light: #677ca1;
$custom-dark: #000000;

JSON

{
  "hex": "#1d4a7b",
  "rgb": {
    "r": 29,
    "g": 74,
    "b": 123
  },
  "hsl": {
    "h": 211.277,
    "s": 61.842,
    "l": 29.804
  },
  "oklch": {
    "l": 0.40423,
    "c": 0.09621,
    "h": 253
  },
  "luminance": 0.06589
}

Semantic roles & 50–950 ramp

primary

#1D4A7B

secondary

#AF7C45

accent

#9743E5

background

#F6F7F9

surface

#EBEEF2

border

#C6C9CC

text

#07090F

muted

#7A7B7E

Preview Lab

Preview with #1D4A7B

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

Preview Lab → · Contrast checker → · Palette generator →