#1D5186#1D5186

#1D5186 is a dark, moderate cyan. Relative luminance 0.079; OKLCH L 42.9% C 0.104 H 251.9°. Best body text is #FFFFFF at 8.16:1 contrast (WCAG AA passes).

Color values

HEX	#1D5186
RGB	rgb(29, 81, 134)
HSL	hsl(210, 64%, 32%)
HSV	hsv(210, 78%, 53%)
CMYK	cmyk(78.4%, 39.6%, 0%, 47.5%)
CIE-LAB	lab(33.70, 2.58, -34.54)
CIE-LCH	lch(33.70, 34.64, 274.28°)
OKLab	oklab(42.86% -0.0321 -0.0985)
OKLCH	oklch(42.86% 0.104 251.9)
XYZ	xyz(7.7506, 7.8664, 23.6595)
Luminance	0.0787 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D5186 #86521D

analogous

#1D8686 #1D5186 #1E1D86

triadic

#1D5186 #861D51 #51861D

tetradic

#1D5186 #861D86 #86521D #1D861E

square

#1D5186 #861D86 #86521D #1D861E

split-complementary

#1D5186 #861E1D #86861D

monochromatic

#071421 #123354 #1D5186 #286FB8 #468ED7

Accessibility & contrast

On white

8.16

#1D5186 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.57

#1D5186 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D5186

8.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D5186	#FFFFFF	#000000	##FFFFFF
##1D5186	1.00	8.16	2.57	8.16
#FFFFFF	8.16	1.00	21.00	1.00
#000000	2.57	21.00	1.00	21.00
##FFFFFF	8.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#385588

Deuteranopia (green-blind)

#284B85

Tritanopia (blue-blind)

#005E65

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #1d5186;
/* rgb */ color: rgb(29, 81, 134);
/* oklch */ color: oklch(42.9% 0.104 251.9);

Tailwind

colors: {
  custom: {
    50: '#6981a9',
    500: '#1d5186',
    950: '#000000',
  },
}

SCSS

$custom: #1d5186;
$custom-light: #6981a9;
$custom-dark: #000000;

JSON

{
  "hex": "#1d5186",
  "rgb": {
    "r": 29,
    "g": 81,
    "b": 134
  },
  "hsl": {
    "h": 210.286,
    "s": 64.417,
    "l": 31.961
  },
  "oklch": {
    "l": 0.42864,
    "c": 0.10363,
    "h": 251.9
  },
  "luminance": 0.07867
}

Semantic roles & 50–950 ramp

primary

#1D5186

secondary

#B98046

accent

#9540E7

background

#F6F7FA

surface

#ECEEF4

border

#C7C9CE

text

#070A10

muted

#7A7C7F

Preview Lab

Preview with #1D5186

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

Preview Lab → · Contrast checker → · Palette generator →