#1D5B7D#1D5B7D

#1D5B7D is a dark, moderate cyan. Relative luminance 0.092; OKLCH L 44.8% C 0.083 H 237.1°. Best body text is #FFFFFF at 7.38:1 contrast (WCAG AA passes).

Color values

HEX	#1D5B7D
RGB	rgb(29, 91, 125)
HSL	hsl(201, 62%, 30%)
HSV	hsv(201, 77%, 49%)
CMYK	cmyk(76.8%, 27.2%, 0%, 51%)
CIE-LAB	lab(36.41, -7.26, -24.75)
CIE-LCH	lch(36.41, 25.79, 253.65°)
OKLab	oklab(44.84% -0.0451 -0.0698)
OKLCH	oklch(44.84% 0.083 237.1)
XYZ	xyz(7.9480, 9.2231, 20.7594)
Luminance	0.0922 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D5B7D #7D3F1D

analogous

#1D7D6F #1D5B7D #1D2B7D

triadic

#1D5B7D #7D1D5B #5B7D1D

tetradic

#1D5B7D #6F1D7D #7D3F1D #2B7D1D

square

#1D5B7D #6F1D7D #7D3F1D #2B7D1D

split-complementary

#1D5B7D #7D1D2B #7D6F1D

monochromatic

#06131A #11374B #1D5B7D #297FAF #419FD3

Accessibility & contrast

On white

7.38

#1D5B7D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.84

#1D5B7D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D5B7D

7.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D5B7D	#FFFFFF	#000000	##FFFFFF
##1D5B7D	1.00	7.38	2.84	7.38
#FFFFFF	7.38	1.00	21.00	1.00
#000000	2.84	21.00	1.00	21.00
##FFFFFF	7.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4B5B7F

Deuteranopia (green-blind)

#3E527C

Tritanopia (blue-blind)

#006467

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #1d5b7d;
/* rgb */ color: rgb(29, 91, 125);
/* oklch */ color: oklch(44.8% 0.083 237.1);

Tailwind

colors: {
  custom: {
    50: '#6889a2',
    500: '#1d5b7d',
    950: '#000000',
  },
}

SCSS

$custom: #1d5b7d;
$custom-light: #6889a2;
$custom-dark: #000000;

JSON

{
  "hex": "#1d5b7d",
  "rgb": {
    "r": 29,
    "g": 91,
    "b": 125
  },
  "hsl": {
    "h": 201.25,
    "s": 62.338,
    "l": 30.196
  },
  "oklch": {
    "l": 0.44842,
    "c": 0.0831,
    "h": 237.1
  },
  "luminance": 0.09224
}

Semantic roles & 50–950 ramp

primary

#1D5B7D

secondary

#B16B45

accent

#7C42E5

background

#F6F8FA

surface

#EBF0F3

border

#C6CBCD

text

#070B0F

muted

#7A7C7F

Preview Lab

Preview with #1D5B7D

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

Preview Lab → · Contrast checker → · Palette generator →