#1D5172#1D5172

#1D5172 is a dark, moderate cyan. Relative luminance 0.074; OKLCH L 41.6% C 0.078 H 240.3°. Best body text is #FFFFFF at 8.49:1 contrast (WCAG AA passes).

Color values

HEX	#1D5172
RGB	rgb(29, 81, 114)
HSL	hsl(203, 59%, 28%)
HSV	hsv(203, 75%, 45%)
CMYK	cmyk(74.6%, 28.9%, 0%, 55.3%)
CIE-LAB	lab(32.61, -5.23, -23.87)
CIE-LCH	lch(32.61, 24.43, 257.65°)
OKLab	oklab(41.65% -0.0384 -0.0674)
OKLCH	oklch(41.65% 0.078 240.3)
XYZ	xyz(6.4852, 7.3603, 16.9952)
Luminance	0.0736 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D5172 #723E1D

analogous

#1D7268 #1D5172 #1D2672

triadic

#1D5172 #721D51 #51721D

tetradic

#1D5172 #681D72 #723E1D #26721D

square

#1D5172 #681D72 #723E1D #26721D

split-complementary

#1D5172 #721D26 #72681D

monochromatic

#061118 #112E41 #1D5172 #2974A3 #3C95CD

Accessibility & contrast

On white

8.49

#1D5172 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.47

#1D5172 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D5172

8.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D5172	#FFFFFF	#000000	##FFFFFF
##1D5172	1.00	8.49	2.47	8.49
#FFFFFF	8.49	1.00	21.00	1.00
#000000	2.47	21.00	1.00	21.00
##FFFFFF	8.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#425173

Deuteranopia (green-blind)

#364971

Tritanopia (blue-blind)

#00595C

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #1d5172;
/* rgb */ color: rgb(29, 81, 114);
/* oklch */ color: oklch(41.6% 0.078 240.3);

Tailwind

colors: {
  custom: {
    50: '#65819a',
    500: '#1d5172',
    950: '#000000',
  },
}

SCSS

$custom: #1d5172;
$custom-light: #65819a;
$custom-dark: #000000;

JSON

{
  "hex": "#1d5172",
  "rgb": {
    "r": 29,
    "g": 81,
    "b": 114
  },
  "hsl": {
    "h": 203.294,
    "s": 59.441,
    "l": 28.039
  },
  "oklch": {
    "l": 0.4165,
    "c": 0.07752,
    "h": 240.3
  },
  "luminance": 0.07361
}

Semantic roles & 50–950 ramp

primary

#1D5172

secondary

#A66A45

accent

#8245E3

background

#F6F7F9

surface

#EBEEF2

border

#C6C9CC

text

#060A0E

muted

#7A7C7E

Preview Lab

Preview with #1D5172

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

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