#1D4D7B#1D4D7B

#1D4D7B is a dark, moderate cyan. Relative luminance 0.070; OKLCH L 41.2% C 0.093 H 250.4°. Best body text is #FFFFFF at 8.75:1 contrast (WCAG AA passes).

Color values

HEX	#1D4D7B
RGB	rgb(29, 77, 123)
HSL	hsl(209, 62%, 30%)
HSV	hsv(209, 76%, 48%)
CMYK	cmyk(76.4%, 37.4%, 0%, 51.8%)
CIE-LAB	lab(31.80, 0.85, -30.76)
CIE-LCH	lch(31.80, 30.77, 271.58°)
OKLab	oklab(41.17% -0.0312 -0.0875)
OKLCH	oklch(41.17% 0.093 250.4)
XYZ	xyz(6.7344, 6.9983, 19.7309)
Luminance	0.0700 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D4D7B #7B4B1D

analogous

#1D7B7A #1D4D7B #1D1E7B

triadic

#1D4D7B #7B1D4D #4D7B1D

tetradic

#1D4D7B #7A1D7B #7B4B1D #1E7B1D

square

#1D4D7B #7A1D7B #7B4B1D #1E7B1D

split-complementary

#1D4D7B #7B1D1E #7B7A1D

monochromatic

#061019 #112E49 #1D4D7B #296CAD #408BD2

Accessibility & contrast

On white

8.75

#1D4D7B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.40

#1D4D7B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D4D7B

8.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D4D7B	#FFFFFF	#000000	##FFFFFF
##1D4D7B	1.00	8.75	2.40	8.75
#FFFFFF	8.75	1.00	21.00	1.00
#000000	2.40	21.00	1.00	21.00
##FFFFFF	8.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#38507D

Deuteranopia (green-blind)

#2A477A

Tritanopia (blue-blind)

#00585E

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #1d4d7b;
/* rgb */ color: rgb(29, 77, 123);
/* oklch */ color: oklch(41.2% 0.093 250.4);

Tailwind

colors: {
  custom: {
    50: '#677ea1',
    500: '#1d4d7b',
    950: '#000000',
  },
}

SCSS

$custom: #1d4d7b;
$custom-light: #677ea1;
$custom-dark: #000000;

JSON

{
  "hex": "#1d4d7b",
  "rgb": {
    "r": 29,
    "g": 77,
    "b": 123
  },
  "hsl": {
    "h": 209.362,
    "s": 61.842,
    "l": 29.804
  },
  "oklch": {
    "l": 0.41169,
    "c": 0.09291,
    "h": 250.4
  },
  "luminance": 0.06999
}

Semantic roles & 50–950 ramp

primary

#1D4D7B

secondary

#AF7945

accent

#9243E5

background

#F6F7F9

surface

#EBEEF2

border

#C6C9CC

text

#07090F

muted

#7A7B7E

Preview Lab

Preview with #1D4D7B

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

Preview Lab → · Contrast checker → · Palette generator →