#1D456F#1D456F

#1D456F is a dark, moderate cyan. Relative luminance 0.057; OKLCH L 38.4% C 0.085 H 251.9°. Best body text is #FFFFFF at 9.85:1 contrast (WCAG AA passes).

Color values

HEX	#1D456F
RGB	rgb(29, 69, 111)
HSL	hsl(211, 59%, 27%)
HSV	hsv(211, 74%, 44%)
CMYK	cmyk(73.9%, 37.8%, 0%, 56.5%)
CIE-LAB	lab(28.55, 1.40, -28.37)
CIE-LCH	lch(28.55, 28.41, 272.83°)
OKLab	oklab(38.4% -0.0263 -0.0806)
OKLCH	oklch(38.4% 0.085 251.9)
XYZ	xyz(5.5030, 5.6646, 15.8392)
Luminance	0.0566 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D456F #6F471D

analogous

#1D6E6F #1D456F #1E1D6F

triadic

#1D456F #6F1D45 #456F1D

tetradic

#1D456F #6F1D6E #6F471D #1D6F1E

square

#1D456F #6F1D6E #6F471D #1D6F1E

split-complementary

#1D456F #6F1E1D #6E6F1D

monochromatic

#060F18 #10273E #1D456F #2A63A0 #3B81CC

Accessibility & contrast

On white

9.85

#1D456F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.13

#1D456F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D456F

9.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D456F	#FFFFFF	#000000	##FFFFFF
##1D456F	1.00	9.85	2.13	9.85
#FFFFFF	9.85	1.00	21.00	1.00
#000000	2.13	21.00	1.00	21.00
##FFFFFF	9.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#324871

Deuteranopia (green-blind)

#26406E

Tritanopia (blue-blind)

#004F54

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #1d456f;
/* rgb */ color: rgb(29, 69, 111);
/* oklch */ color: oklch(38.4% 0.085 251.9);

Tailwind

colors: {
  custom: {
    50: '#647898',
    500: '#1d456f',
    950: '#000000',
  },
}

SCSS

$custom: #1d456f;
$custom-light: #647898;
$custom-dark: #000000;

JSON

{
  "hex": "#1d456f",
  "rgb": {
    "r": 29,
    "g": 69,
    "b": 111
  },
  "hsl": {
    "h": 210.732,
    "s": 58.571,
    "l": 27.451
  },
  "oklch": {
    "l": 0.38396,
    "c": 0.08484,
    "h": 251.9
  },
  "luminance": 0.05665
}

Semantic roles & 50–950 ramp

primary

#1D456F

secondary

#A37544

accent

#9646E2

background

#F6F7F9

surface

#EBEDF2

border

#C6C8CC

text

#06080E

muted

#7A7B7E

Preview Lab

Preview with #1D456F

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

Preview Lab → · Contrast checker → · Palette generator →