#1C4271#1C4271

#1C4271 is a dark, moderate cyan. Relative luminance 0.053; OKLCH L 37.7% C 0.092 H 255.2°. Best body text is #FFFFFF at 10.16:1 contrast (WCAG AA passes).

Color values

HEX	#1C4271
RGB	rgb(28, 66, 113)
HSL	hsl(213, 60%, 28%)
HSV	hsv(213, 75%, 44%)
CMYK	cmyk(75.2%, 41.6%, 0%, 55.7%)
CIE-LAB	lab(27.67, 4.07, -31.04)
CIE-LCH	lch(27.67, 31.31, 277.46°)
OKLab	oklab(37.74% -0.0234 -0.0885)
OKLCH	oklch(37.74% 0.092 255.2)
XYZ	xyz(5.4066, 5.3350, 16.3644)
Luminance	0.0534 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C4271 #714B1C

analogous

#1C6D71 #1C4271 #201C71

triadic

#1C4271 #711C42 #42711C

tetradic

#1C4271 #711C6D #714B1C #1C7120

square

#1C4271 #711C6D #714B1C #1C7120

split-complementary

#1C4271 #71201C #6D711C

monochromatic

#060E19 #102540 #1C4271 #285FA2 #397CCE

Accessibility & contrast

On white

10.16

#1C4271 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.07

#1C4271 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C4271

10.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C4271	#FFFFFF	#000000	##FFFFFF
##1C4271	1.00	10.16	2.07	10.16
#FFFFFF	10.16	1.00	21.00	1.00
#000000	2.07	21.00	1.00	21.00
##FFFFFF	10.16	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: #1c4271;
/* rgb */ color: rgb(28, 66, 113);
/* oklch */ color: oklch(37.7% 0.092 255.2);

Tailwind

colors: {
  custom: {
    50: '#64769a',
    500: '#1c4271',
    950: '#000000',
  },
}

SCSS

$custom: #1c4271;
$custom-light: #64769a;
$custom-dark: #000000;

JSON

{
  "hex": "#1c4271",
  "rgb": {
    "r": 28,
    "g": 66,
    "b": 113
  },
  "hsl": {
    "h": 213.176,
    "s": 60.284,
    "l": 27.647
  },
  "oklch": {
    "l": 0.37736,
    "c": 0.09158,
    "h": 255.2
  },
  "luminance": 0.05336
}

Semantic roles & 50–950 ramp

primary

#1C4271

secondary

#A67A43

accent

#9C44E3

background

#F6F7F9

surface

#EBEDF2

border

#C6C8CC

text

#06080E

muted

#7A7B7E

Preview Lab

Preview with #1C4271

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

Preview Lab → · Contrast checker → · Palette generator →