#1D4B7D#1D4B7D

#1D4B7D is a dark, moderate cyan. Relative luminance 0.068; OKLCH L 40.8% C 0.098 H 253.0°. Best body text is #FFFFFF at 8.92:1 contrast (WCAG AA passes).

Color values

HEX	#1D4B7D
RGB	rgb(29, 75, 125)
HSL	hsl(211, 62%, 30%)
HSV	hsv(211, 77%, 49%)
CMYK	cmyk(76.8%, 40%, 0%, 51%)
CIE-LAB	lab(31.29, 2.97, -32.82)
CIE-LCH	lch(31.29, 32.96, 275.17°)
OKLab	oklab(40.8% -0.0287 -0.0936)
OKLCH	oklch(40.8% 0.098 253)
XYZ	xyz(6.7231, 6.7733, 20.3511)
Luminance	0.0677 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D4B7D #7D4F1D

analogous

#1D7B7D #1D4B7D #1F1D7D

triadic

#1D4B7D #7D1D4B #4B7D1D

tetradic

#1D4B7D #7D1D7B #7D4F1D #1D7D1F

square

#1D4B7D #7D1D7B #7D4F1D #1D7D1F

split-complementary

#1D4B7D #7D1F1D #7B7D1D

monochromatic

#060F1A #112D4B #1D4B7D #2969AF #4187D3

Accessibility & contrast

On white

8.92

#1D4B7D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.35

#1D4B7D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D4B7D

8.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D4B7D	#FFFFFF	#000000	##FFFFFF
##1D4B7D	1.00	8.92	2.35	8.92
#FFFFFF	8.92	1.00	21.00	1.00
#000000	2.35	21.00	1.00	21.00
##FFFFFF	8.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#344E7F

Deuteranopia (green-blind)

#25467C

Tritanopia (blue-blind)

#00575E

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #1d4b7d;
/* rgb */ color: rgb(29, 75, 125);
/* oklch */ color: oklch(40.8% 0.098 253.0);

Tailwind

colors: {
  custom: {
    50: '#677ca3',
    500: '#1d4b7d',
    950: '#000000',
  },
}

SCSS

$custom: #1d4b7d;
$custom-light: #677ca3;
$custom-dark: #000000;

JSON

{
  "hex": "#1d4b7d",
  "rgb": {
    "r": 29,
    "g": 75,
    "b": 125
  },
  "hsl": {
    "h": 211.25,
    "s": 62.338,
    "l": 30.196
  },
  "oklch": {
    "l": 0.40802,
    "c": 0.09788,
    "h": 253
  },
  "luminance": 0.06774
}

Semantic roles & 50–950 ramp

primary

#1D4B7D

secondary

#B17D45

accent

#9742E5

background

#F6F7FA

surface

#EBEEF4

border

#C6C9CE

text

#07090F

muted

#7A7B7F

Preview Lab

Preview with #1D4B7D

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

Preview Lab → · Contrast checker → · Palette generator →