#1D5B7A#1D5B7A

#1D5B7A is a dark, moderate cyan. Relative luminance 0.091; OKLCH L 44.7% C 0.080 H 234.7°. Best body text is #FFFFFF at 7.42:1 contrast (WCAG AA passes).

Color values

HEX	#1D5B7A
RGB	rgb(29, 91, 122)
HSL	hsl(200, 62%, 30%)
HSV	hsv(200, 76%, 48%)
CMYK	cmyk(76.2%, 25.4%, 0%, 52.2%)
CIE-LAB	lab(36.27, -8.39, -23.13)
CIE-LCH	lch(36.27, 24.60, 250.07°)
OKLab	oklab(44.68% -0.0462 -0.0651)
OKLCH	oklch(44.68% 0.08 234.7)
XYZ	xyz(7.7592, 9.1476, 19.7653)
Luminance	0.0915 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D5B7A #7A3C1D

analogous

#1D7A6B #1D5B7A #1D2D7A

triadic

#1D5B7A #7A1D5B #5B7A1D

tetradic

#1D5B7A #6B1D7A #7A3C1D #2D7A1D

square

#1D5B7A #6B1D7A #7A3C1D #2D7A1D

split-complementary

#1D5B7A #7A1D2D #7A6B1D

monochromatic

#061219 #113649 #1D5B7A #2980AB #40A1D2

Accessibility & contrast

On white

7.42

#1D5B7A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.83

#1D5B7A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D5B7A

7.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D5B7A	#FFFFFF	#000000	##FFFFFF
##1D5B7A	1.00	7.42	2.83	7.42
#FFFFFF	7.42	1.00	21.00	1.00
#000000	2.83	21.00	1.00	21.00
##FFFFFF	7.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4C5A7B

Deuteranopia (green-blind)

#3F517A

Tritanopia (blue-blind)

#006366

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #1d5b7a;
/* rgb */ color: rgb(29, 91, 122);
/* oklch */ color: oklch(44.7% 0.080 234.7);

Tailwind

colors: {
  custom: {
    50: '#6789a0',
    500: '#1d5b7a',
    950: '#000000',
  },
}

SCSS

$custom: #1d5b7a;
$custom-light: #6789a0;
$custom-dark: #000000;

JSON

{
  "hex": "#1d5b7a",
  "rgb": {
    "r": 29,
    "g": 91,
    "b": 122
  },
  "hsl": {
    "h": 200,
    "s": 61.589,
    "l": 29.608
  },
  "oklch": {
    "l": 0.4468,
    "c": 0.07984,
    "h": 234.7
  },
  "luminance": 0.09149
}

Semantic roles & 50–950 ramp

primary

#1D5B7A

secondary

#AE6845

accent

#7943E5

background

#F6F8F9

surface

#EBF0F2

border

#C6CBCC

text

#070B0E

muted

#7A7C7E

Preview Lab

Preview with #1D5B7A

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

Preview Lab → · Contrast checker → · Palette generator →