#1D507E#1D507E

#1D507E is a dark, moderate cyan. Relative luminance 0.075; OKLCH L 42.1% C 0.094 H 249.1°. Best body text is #FFFFFF at 8.40:1 contrast (WCAG AA passes).

Color values

HEX	#1D507E
RGB	rgb(29, 80, 126)
HSL	hsl(208, 63%, 30%)
HSV	hsv(208, 77%, 49%)
CMYK	cmyk(77%, 36.5%, 0%, 50.6%)
CIE-LAB	lab(32.93, 0.07, -30.84)
CIE-LCH	lch(32.93, 30.84, 270.14°)
OKLab	oklab(42.11% -0.0334 -0.0877)
OKLCH	oklch(42.11% 0.094 249.1)
XYZ	xyz(7.1398, 7.5041, 20.8068)
Luminance	0.0751 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D507E #7E4B1D

analogous

#1D7E7C #1D507E #1D1F7E

triadic

#1D507E #7E1D50 #507E1D

tetradic

#1D507E #7C1D7E #7E4B1D #1F7E1D

square

#1D507E #7C1D7E #7E4B1D #1F7E1D

split-complementary

#1D507E #7E1D1F #7E7C1D

monochromatic

#06111B #12304C #1D507E #2870B0 #428ED3

Accessibility & contrast

On white

8.40

#1D507E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.50

#1D507E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D507E

8.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D507E	#FFFFFF	#000000	##FFFFFF
##1D507E	1.00	8.40	2.50	8.40
#FFFFFF	8.40	1.00	21.00	1.00
#000000	2.50	21.00	1.00	21.00
##FFFFFF	8.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3B5280

Deuteranopia (green-blind)

#2D497D

Tritanopia (blue-blind)

#005B61

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #1d507e;
/* rgb */ color: rgb(29, 80, 126);
/* oklch */ color: oklch(42.1% 0.094 249.1);

Tailwind

colors: {
  custom: {
    50: '#6780a3',
    500: '#1d507e',
    950: '#000000',
  },
}

SCSS

$custom: #1d507e;
$custom-light: #6780a3;
$custom-dark: #000000;

JSON

{
  "hex": "#1d507e",
  "rgb": {
    "r": 29,
    "g": 80,
    "b": 126
  },
  "hsl": {
    "h": 208.454,
    "s": 62.581,
    "l": 30.392
  },
  "oklch": {
    "l": 0.42107,
    "c": 0.09384,
    "h": 249.1
  },
  "luminance": 0.07505
}

Semantic roles & 50–950 ramp

primary

#1D507E

secondary

#B17945

accent

#9042E6

background

#F6F7FA

surface

#EBEEF4

border

#C6C9CE

text

#070A0F

muted

#7A7C7F

Preview Lab

Preview with #1D507E

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

Preview Lab → · Contrast checker → · Palette generator →