#1D4166#1D4166

#1D4166 is a dark, moderate cyan. Relative luminance 0.050; OKLCH L 36.8% C 0.076 H 251.2°. Best body text is #FFFFFF at 10.50:1 contrast (WCAG AA passes).

Color values

HEX	#1D4166
RGB	rgb(29, 65, 102)
HSL	hsl(210, 56%, 26%)
HSV	hsv(210, 72%, 40%)
CMYK	cmyk(71.6%, 36.3%, 0%, 60%)
CIE-LAB	lab(26.74, 0.53, -25.50)
CIE-LCH	lch(26.74, 25.51, 271.20°)
OKLab	oklab(36.81% -0.0246 -0.0723)
OKLCH	oklch(36.81% 0.076 251.2)
XYZ	xyz(4.7944, 5.0006, 13.2803)
Luminance	0.0500 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D4166 #66421D

analogous

#1D6566 #1D4166 #1D1D66

triadic

#1D4166 #661D41 #41661D

tetradic

#1D4166 #661D65 #66421D #1D661D

square

#1D4166 #661D65 #66421D #1D661D

split-complementary

#1D4166 #661D1D #65661D

monochromatic

#070F18 #0F2336 #1D4166 #2B5F96 #387EC5

Accessibility & contrast

On white

10.50

#1D4166 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.00

#1D4166 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D4166

10.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D4166	#FFFFFF	#000000	##FFFFFF
##1D4166	1.00	10.50	2.00	10.50
#FFFFFF	10.50	1.00	21.00	1.00
#000000	2.00	21.00	1.00	21.00
##FFFFFF	10.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#314368

Deuteranopia (green-blind)

#263C65

Tritanopia (blue-blind)

#004A4E

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #1d4166;
/* rgb */ color: rgb(29, 65, 102);
/* oklch */ color: oklch(36.8% 0.076 251.2);

Tailwind

colors: {
  custom: {
    50: '#627592',
    500: '#1d4166',
    950: '#000000',
  },
}

SCSS

$custom: #1d4166;
$custom-light: #627592;
$custom-dark: #000000;

JSON

{
  "hex": "#1d4166",
  "rgb": {
    "r": 29,
    "g": 65,
    "b": 102
  },
  "hsl": {
    "h": 210.411,
    "s": 55.725,
    "l": 25.686
  },
  "oklch": {
    "l": 0.36807,
    "c": 0.07638,
    "h": 251.2
  },
  "luminance": 0.05001
}

Semantic roles & 50–950 ramp

primary

#1D4166

secondary

#9B7044

accent

#9549DF

background

#F6F7F8

surface

#EBEDF0

border

#C6C8CB

text

#06080D

muted

#7A7B7D

Preview Lab

Preview with #1D4166

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

Preview Lab → · Contrast checker → · Palette generator →