#1D4271#1D4271

#1D4271 is a dark, moderate cyan. Relative luminance 0.053; OKLCH L 37.8% C 0.091 H 255.6°. Best body text is #FFFFFF at 10.14:1 contrast (WCAG AA passes).

Color values

HEX	#1D4271
RGB	rgb(29, 66, 113)
HSL	hsl(214, 59%, 28%)
HSV	hsv(214, 74%, 44%)
CMYK	cmyk(74.3%, 41.6%, 0%, 55.7%)
CIE-LAB	lab(27.71, 4.23, -30.98)
CIE-LCH	lch(27.71, 31.27, 277.77°)
OKLab	oklab(37.78% -0.0226 -0.0883)
OKLCH	oklch(37.78% 0.091 255.6)
XYZ	xyz(5.4345, 5.3493, 16.3657)
Luminance	0.0535 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D4271 #714C1D

analogous

#1D6C71 #1D4271 #221D71

triadic

#1D4271 #711D42 #42711D

tetradic

#1D4271 #711D6C #714C1D #1D7122

square

#1D4271 #711D6C #714C1D #1D7122

split-complementary

#1D4271 #71221D #6C711D

monochromatic

#060E18 #112640 #1D4271 #295EA2 #3C7CCD

Accessibility & contrast

On white

10.14

#1D4271 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.07

#1D4271 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D4271

10.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D4271	#FFFFFF	#000000	##FFFFFF
##1D4271	1.00	10.14	2.07	10.14
#FFFFFF	10.14	1.00	21.00	1.00
#000000	2.07	21.00	1.00	21.00
##FFFFFF	10.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C4673

Deuteranopia (green-blind)

#1F3E70

Tritanopia (blue-blind)

#004D54

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #1d4271;
/* rgb */ color: rgb(29, 66, 113);
/* oklch */ color: oklch(37.8% 0.091 255.6);

Tailwind

colors: {
  custom: {
    50: '#65769a',
    500: '#1d4271',
    950: '#000000',
  },
}

SCSS

$custom: #1d4271;
$custom-light: #65769a;
$custom-dark: #000000;

JSON

{
  "hex": "#1d4271",
  "rgb": {
    "r": 29,
    "g": 66,
    "b": 113
  },
  "hsl": {
    "h": 213.571,
    "s": 59.155,
    "l": 27.843
  },
  "oklch": {
    "l": 0.37777,
    "c": 0.09118,
    "h": 255.6
  },
  "luminance": 0.0535
}

Semantic roles & 50–950 ramp

primary

#1D4271

secondary

#A57B44

accent

#9D45E2

background

#F6F7F9

surface

#EBEDF2

border

#C6C8CC

text

#06080E

muted

#7A7B7E

Preview Lab

Preview with #1D4271

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

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