#1D4D7E#1D4D7E

#1D4D7E is a dark, moderate cyan. Relative luminance 0.071; OKLCH L 41.4% C 0.097 H 251.7°. Best body text is #FFFFFF at 8.70:1 contrast (WCAG AA passes).

Color values

HEX	#1D4D7E
RGB	rgb(29, 77, 126)
HSL	hsl(210, 63%, 30%)
HSV	hsv(210, 77%, 49%)
CMYK	cmyk(77%, 38.9%, 0%, 50.6%)
CIE-LAB	lab(31.98, 2.04, -32.35)
CIE-LCH	lch(31.98, 32.41, 273.61°)
OKLab	oklab(41.36% -0.0304 -0.0922)
OKLCH	oklch(41.36% 0.097 251.7)
XYZ	xyz(6.9251, 7.0745, 20.7352)
Luminance	0.0707 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D4D7E #7E4E1D

analogous

#1D7E7E #1D4D7E #1D1D7E

triadic

#1D4D7E #7E1D4D #4D7E1D

tetradic

#1D4D7E #7E1D7E #7E4E1D #1D7E1D

square

#1D4D7E #7E1D7E #7E4E1D #1D7E1D

split-complementary

#1D4D7E #7E1D1D #7E7E1D

monochromatic

#06101B #122F4C #1D4D7E #286BB0 #428AD3

Accessibility & contrast

On white

8.70

#1D4D7E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.41

#1D4D7E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D4D7E

8.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D4D7E	#FFFFFF	#000000	##FFFFFF
##1D4D7E	1.00	8.70	2.41	8.70
#FFFFFF	8.70	1.00	21.00	1.00
#000000	2.41	21.00	1.00	21.00
##FFFFFF	8.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#365080

Deuteranopia (green-blind)

#28477D

Tritanopia (blue-blind)

#00595F

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #1d4d7e;
/* rgb */ color: rgb(29, 77, 126);
/* oklch */ color: oklch(41.4% 0.097 251.7);

Tailwind

colors: {
  custom: {
    50: '#677ea3',
    500: '#1d4d7e',
    950: '#000000',
  },
}

SCSS

$custom: #1d4d7e;
$custom-light: #677ea3;
$custom-dark: #000000;

JSON

{
  "hex": "#1d4d7e",
  "rgb": {
    "r": 29,
    "g": 77,
    "b": 126
  },
  "hsl": {
    "h": 210.309,
    "s": 62.581,
    "l": 30.392
  },
  "oklch": {
    "l": 0.41361,
    "c": 0.09704,
    "h": 251.7
  },
  "luminance": 0.07075
}

Semantic roles & 50–950 ramp

primary

#1D4D7E

secondary

#B17C45

accent

#9542E6

background

#F6F7FA

surface

#EBEEF4

border

#C6C9CE

text

#07090F

muted

#7A7B7F

Preview Lab

Preview with #1D4D7E

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

Preview Lab → · Contrast checker → · Palette generator →