#1D456E#1D456E

#1D456E is a dark, moderate cyan. Relative luminance 0.056; OKLCH L 38.3% C 0.083 H 251.4°. Best body text is #FFFFFF at 9.87:1 contrast (WCAG AA passes).

Color values

HEX	#1D456E
RGB	rgb(29, 69, 110)
HSL	hsl(210, 58%, 27%)
HSV	hsv(210, 74%, 43%)
CMYK	cmyk(73.6%, 37.3%, 0%, 56.9%)
CIE-LAB	lab(28.49, 1.01, -27.83)
CIE-LCH	lch(28.49, 27.85, 272.07°)
OKLab	oklab(38.33% -0.0266 -0.0791)
OKLCH	oklch(38.33% 0.083 251.4)
XYZ	xyz(5.4482, 5.6427, 15.5508)
Luminance	0.0564 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D456E #6E461D

analogous

#1D6E6E #1D456E #1D1D6E

triadic

#1D456E #6E1D45 #456E1D

tetradic

#1D456E #6E1D6E #6E461D #1D6E1D

square

#1D456E #6E1D6E #6E461D #1D6E1D

split-complementary

#1D456E #6E1D1D #6E6E1D

monochromatic

#060F18 #10273E #1D456E #2A639E #3A82CB

Accessibility & contrast

On white

9.87

#1D456E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.13

#1D456E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D456E

9.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D456E	#FFFFFF	#000000	##FFFFFF
##1D456E	1.00	9.87	2.13	9.87
#FFFFFF	9.87	1.00	21.00	1.00
#000000	2.13	21.00	1.00	21.00
##FFFFFF	9.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#334770

Deuteranopia (green-blind)

#27406D

Tritanopia (blue-blind)

#004F54

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #1d456e;
/* rgb */ color: rgb(29, 69, 110);
/* oklch */ color: oklch(38.3% 0.083 251.4);

Tailwind

colors: {
  custom: {
    50: '#647898',
    500: '#1d456e',
    950: '#000000',
  },
}

SCSS

$custom: #1d456e;
$custom-light: #647898;
$custom-dark: #000000;

JSON

{
  "hex": "#1d456e",
  "rgb": {
    "r": 29,
    "g": 69,
    "b": 110
  },
  "hsl": {
    "h": 210.37,
    "s": 58.273,
    "l": 27.255
  },
  "oklch": {
    "l": 0.38332,
    "c": 0.08342,
    "h": 251.4
  },
  "luminance": 0.05643
}

Semantic roles & 50–950 ramp

primary

#1D456E

secondary

#A27444

accent

#9546E1

background

#F6F7F9

surface

#EBEDF2

border

#C6C8CC

text

#06080D

muted

#7A7B7E

Preview Lab

Preview with #1D456E

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

Preview Lab → · Contrast checker → · Palette generator →