#1C455F#1C455F

#1C455F is a dark, moderate cyan. Relative luminance 0.053; OKLCH L 37.4% C 0.064 H 239.5°. Best body text is #FFFFFF at 10.17:1 contrast (WCAG AA passes).

Color values

HEX	#1C455F
RGB	rgb(28, 69, 95)
HSL	hsl(203, 54%, 24%)
HSV	hsv(203, 71%, 37%)
CMYK	cmyk(70.5%, 27.4%, 0%, 62.7%)
CIE-LAB	lab(27.65, -5.00, -19.57)
CIE-LCH	lch(27.65, 20.20, 255.67°)
OKLab	oklab(37.4% -0.0324 -0.055)
OKLCH	oklch(37.4% 0.064 239.5)
XYZ	xyz(4.6718, 5.3289, 11.6066)
Luminance	0.0533 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C455F #5F361C

analogous

#1C5F58 #1C455F #1C235F

triadic

#1C455F #5F1C45 #455F1C

tetradic

#1C455F #581C5F #5F361C #235F1C

square

#1C455F #581C5F #5F361C #235F1C

split-complementary

#1C455F #5F1C23 #5F581C

monochromatic

#071118 #0E2330 #1C455F #2A678E #388ABE

Accessibility & contrast

On white

10.17

#1C455F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.07

#1C455F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C455F

10.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C455F	#FFFFFF	#000000	##FFFFFF
##1C455F	1.00	10.17	2.07	10.17
#FFFFFF	10.17	1.00	21.00	1.00
#000000	2.07	21.00	1.00	21.00
##FFFFFF	10.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#394560

Deuteranopia (green-blind)

#303E5F

Tritanopia (blue-blind)

#004C4E

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #1c455f;
/* rgb */ color: rgb(28, 69, 95);
/* oklch */ color: oklch(37.4% 0.064 239.5);

Tailwind

colors: {
  custom: {
    50: '#61788c',
    500: '#1c455f',
    950: '#000000',
  },
}

SCSS

$custom: #1c455f;
$custom-light: #61788c;
$custom-dark: #000000;

JSON

{
  "hex": "#1c455f",
  "rgb": {
    "r": 28,
    "g": 69,
    "b": 95
  },
  "hsl": {
    "h": 203.284,
    "s": 54.472,
    "l": 24.118
  },
  "oklch": {
    "l": 0.37396,
    "c": 0.06388,
    "h": 239.5
  },
  "luminance": 0.05329
}

Semantic roles & 50–950 ramp

primary

#1C455F

secondary

#946242

accent

#834ADE

background

#F6F7F8

surface

#EBEDF0

border

#C6C8CB

text

#05090C

muted

#7A7B7D

Preview Lab

Preview with #1C455F

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

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