#1D4E6B#1D4E6B

#1D4E6B is a dark, moderate cyan. Relative luminance 0.068; OKLCH L 40.5% C 0.071 H 238.2°. Best body text is #FFFFFF at 8.92:1 contrast (WCAG AA passes).

Color values

HEX	#1D4E6B
RGB	rgb(29, 78, 107)
HSL	hsl(202, 57%, 27%)
HSV	hsv(202, 73%, 42%)
CMYK	cmyk(72.9%, 27.1%, 0%, 58%)
CIE-LAB	lab(31.28, -6.00, -21.56)
CIE-LCH	lch(31.28, 22.37, 254.45°)
OKLab	oklab(40.48% -0.0376 -0.0607)
OKLCH	oklch(40.48% 0.071 238.2)
XYZ	xyz(5.8839, 6.7709, 14.9039)
Luminance	0.0677 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D4E6B #6B3A1D

analogous

#1D6B61 #1D4E6B #1D276B

triadic

#1D4E6B #6B1D4E #4E6B1D

tetradic

#1D4E6B #611D6B #6B3A1D #276B1D

square

#1D4E6B #611D6B #6B3A1D #276B1D

split-complementary

#1D4E6B #6B1D27 #6B611D

monochromatic

#071218 #102B3B #1D4E6B #2A719B #3994C9

Accessibility & contrast

On white

8.92

#1D4E6B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.35

#1D4E6B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D4E6B

8.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D4E6B	#FFFFFF	#000000	##FFFFFF
##1D4E6B	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)

#404E6C

Deuteranopia (green-blind)

#36466B

Tritanopia (blue-blind)

#005558

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #1d4e6b;
/* rgb */ color: rgb(29, 78, 107);
/* oklch */ color: oklch(40.5% 0.071 238.2);

Tailwind

colors: {
  custom: {
    50: '#647f95',
    500: '#1d4e6b',
    950: '#000000',
  },
}

SCSS

$custom: #1d4e6b;
$custom-light: #647f95;
$custom-dark: #000000;

JSON

{
  "hex": "#1d4e6b",
  "rgb": {
    "r": 29,
    "g": 78,
    "b": 107
  },
  "hsl": {
    "h": 202.308,
    "s": 57.353,
    "l": 26.667
  },
  "oklch": {
    "l": 0.40478,
    "c": 0.0714,
    "h": 238.2
  },
  "luminance": 0.06772
}

Semantic roles & 50–950 ramp

primary

#1D4E6B

secondary

#A06644

accent

#8047E1

background

#F6F7F9

surface

#EBEEF1

border

#C6C9CB

text

#060A0D

muted

#7A7C7E

Preview Lab

Preview with #1D4E6B

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

Preview Lab → · Contrast checker → · Palette generator →