#1D547B#1D547B

#1D547B is a dark, moderate cyan. Relative luminance 0.080; OKLCH L 42.9% C 0.086 H 243.5°. Best body text is #FFFFFF at 8.06:1 contrast (WCAG AA passes).

Color values

HEX	#1D547B
RGB	rgb(29, 84, 123)
HSL	hsl(205, 62%, 30%)
HSV	hsv(205, 76%, 48%)
CMYK	cmyk(76.4%, 31.7%, 0%, 51.8%)
CIE-LAB	lab(34.05, -3.67, -27.22)
CIE-LCH	lch(34.05, 27.46, 262.33°)
OKLab	oklab(42.94% -0.0384 -0.0771)
OKLCH	oklch(42.94% 0.086 243.5)
XYZ	xyz(7.2508, 8.0311, 19.9031)
Luminance	0.0803 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D547B #7B441D

analogous

#1D7B73 #1D547B #1D257B

triadic

#1D547B #7B1D54 #547B1D

tetradic

#1D547B #731D7B #7B441D #257B1D

square

#1D547B #731D7B #7B441D #257B1D

split-complementary

#1D547B #7B1D25 #7B731D

monochromatic

#061119 #113249 #1D547B #2976AD #4096D2

Accessibility & contrast

On white

8.06

#1D547B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.61

#1D547B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D547B

8.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D547B	#FFFFFF	#000000	##FFFFFF
##1D547B	1.00	8.06	2.61	8.06
#FFFFFF	8.06	1.00	21.00	1.00
#000000	2.61	21.00	1.00	21.00
##FFFFFF	8.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#42557D

Deuteranopia (green-blind)

#354C7A

Tritanopia (blue-blind)

#005E62

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #1d547b;
/* rgb */ color: rgb(29, 84, 123);
/* oklch */ color: oklch(42.9% 0.086 243.5);

Tailwind

colors: {
  custom: {
    50: '#6783a1',
    500: '#1d547b',
    950: '#000000',
  },
}

SCSS

$custom: #1d547b;
$custom-light: #6783a1;
$custom-dark: #000000;

JSON

{
  "hex": "#1d547b",
  "rgb": {
    "r": 29,
    "g": 84,
    "b": 123
  },
  "hsl": {
    "h": 204.894,
    "s": 61.842,
    "l": 29.804
  },
  "oklch": {
    "l": 0.42936,
    "c": 0.08612,
    "h": 243.5
  },
  "luminance": 0.08032
}

Semantic roles & 50–950 ramp

primary

#1D547B

secondary

#AF7145

accent

#8643E5

background

#F6F8F9

surface

#EBEFF2

border

#C6CACC

text

#070A0F

muted

#7A7C7E

Preview Lab

Preview with #1D547B

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

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