#1D455F#1D455F

#1D455F is a dark, moderate cyan. Relative luminance 0.053; OKLCH L 37.4% C 0.063 H 240.0°. Best body text is #FFFFFF at 10.15:1 contrast (WCAG AA passes).

Color values

HEX	#1D455F
RGB	rgb(29, 69, 95)
HSL	hsl(204, 53%, 24%)
HSV	hsv(204, 69%, 37%)
CMYK	cmyk(69.5%, 27.4%, 0%, 62.7%)
CIE-LAB	lab(27.69, -4.81, -19.50)
CIE-LCH	lch(27.69, 20.09, 256.16°)
OKLab	oklab(37.44% -0.0317 -0.0548)
OKLCH	oklch(37.44% 0.063 240)
XYZ	xyz(4.6996, 5.3432, 11.6079)
Luminance	0.0534 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D455F #5F371D

analogous

#1D5F58 #1D455F #1D245F

triadic

#1D455F #5F1D45 #455F1D

tetradic

#1D455F #581D5F #5F371D #245F1D

square

#1D455F #581D5F #5F371D #245F1D

split-complementary

#1D455F #5F1D24 #5F581D

monochromatic

#071117 #0F2330 #1D455F #2B678E #3A89BD

Accessibility & contrast

On white

10.15

#1D455F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.07

#1D455F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D455F

10.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D455F	#FFFFFF	#000000	##FFFFFF
##1D455F	1.00	10.15	2.07	10.15
#FFFFFF	10.15	1.00	21.00	1.00
#000000	2.07	21.00	1.00	21.00
##FFFFFF	10.15	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: #1d455f;
/* rgb */ color: rgb(29, 69, 95);
/* oklch */ color: oklch(37.4% 0.063 240.0);

Tailwind

colors: {
  custom: {
    50: '#61788c',
    500: '#1d455f',
    950: '#000000',
  },
}

SCSS

$custom: #1d455f;
$custom-light: #61788c;
$custom-dark: #000000;

JSON

{
  "hex": "#1d455f",
  "rgb": {
    "r": 29,
    "g": 69,
    "b": 95
  },
  "hsl": {
    "h": 203.636,
    "s": 53.226,
    "l": 24.314
  },
  "oklch": {
    "l": 0.37438,
    "c": 0.06334,
    "h": 240
  },
  "luminance": 0.05344
}

Semantic roles & 50–950 ramp

primary

#1D455F

secondary

#946344

accent

#844BDD

background

#F6F7F8

surface

#EBEDF0

border

#C6C8CB

text

#05090C

muted

#7A7B7D

Preview Lab

Preview with #1D455F

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

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