#1D4B60#1D4B60

#1D4B60 is a dark, moderate cyan. Relative luminance 0.061; OKLCH L 39.1% C 0.061 H 231.0°. Best body text is #FFFFFF at 9.43:1 contrast (WCAG AA passes).

Color values

HEX	#1D4B60
RGB	rgb(29, 75, 96)
HSL	hsl(199, 54%, 25%)
HSV	hsv(199, 70%, 38%)
CMYK	cmyk(69.8%, 21.9%, 0%, 62.4%)
CIE-LAB	lab(29.76, -8.23, -16.94)
CIE-LCH	lch(29.76, 18.83, 244.09°)
OKLab	oklab(39.1% -0.0384 -0.0474)
OKLCH	oklch(39.1% 0.061 231)
XYZ	xyz(5.1333, 6.1374, 11.9782)
Luminance	0.0614 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D4B60 #60321D

analogous

#1D6054 #1D4B60 #1D2A60

triadic

#1D4B60 #601D4B #4B601D

tetradic

#1D4B60 #541D60 #60321D #2A601D

square

#1D4B60 #541D60 #60321D #2A601D

split-complementary

#1D4B60 #601D2A #60541D

monochromatic

#071218 #0F2631 #1D4B60 #2B708F #3994BE

Accessibility & contrast

On white

9.43

#1D4B60 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.23

#1D4B60 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D4B60

9.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D4B60	#FFFFFF	#000000	##FFFFFF
##1D4B60	1.00	9.43	2.23	9.43
#FFFFFF	9.43	1.00	21.00	1.00
#000000	2.23	21.00	1.00	21.00
##FFFFFF	9.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#404A61

Deuteranopia (green-blind)

#374360

Tritanopia (blue-blind)

#005152

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #1d4b60;
/* rgb */ color: rgb(29, 75, 96);
/* oklch */ color: oklch(39.1% 0.061 231.0);

Tailwind

colors: {
  custom: {
    50: '#627d8d',
    500: '#1d4b60',
    950: '#000000',
  },
}

SCSS

$custom: #1d4b60;
$custom-light: #627d8d;
$custom-dark: #000000;

JSON

{
  "hex": "#1d4b60",
  "rgb": {
    "r": 29,
    "g": 75,
    "b": 96
  },
  "hsl": {
    "h": 198.806,
    "s": 53.6,
    "l": 24.51
  },
  "oklch": {
    "l": 0.39095,
    "c": 0.06104,
    "h": 231
  },
  "luminance": 0.06138
}

Semantic roles & 50–950 ramp

primary

#1D4B60

secondary

#955D44

accent

#794BDD

background

#F6F7F8

surface

#EBEEF0

border

#C6C9CB

text

#05090C

muted

#7A7B7D

Preview Lab

Preview with #1D4B60

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

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