#1D5187#1D5187

#1D5187 is a dark, moderate cyan. Relative luminance 0.079; OKLCH L 42.9% C 0.105 H 252.3°. Best body text is #FFFFFF at 8.14:1 contrast (WCAG AA passes).

Color values

HEX	#1D5187
RGB	rgb(29, 81, 135)
HSL	hsl(211, 65%, 32%)
HSV	hsv(211, 79%, 53%)
CMYK	cmyk(78.5%, 40%, 0%, 47.1%)
CIE-LAB	lab(33.76, 2.98, -35.06)
CIE-LCH	lch(33.76, 35.19, 274.86°)
OKLab	oklab(42.93% -0.0319 -0.1)
OKLCH	oklch(42.93% 0.105 252.3)
XYZ	xyz(7.8207, 7.8944, 24.0286)
Luminance	0.0790 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D5187 #87531D

analogous

#1D8687 #1D5187 #1E1D87

triadic

#1D5187 #871D51 #51871D

tetradic

#1D5187 #871D86 #87531D #1D871E

square

#1D5187 #871D86 #87531D #1D871E

split-complementary

#1D5187 #871E1D #86871D

monochromatic

#071522 #123355 #1D5187 #286FB9 #478ED7

Accessibility & contrast

On white

8.14

#1D5187 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.58

#1D5187 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D5187

8.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D5187	#FFFFFF	#000000	##FFFFFF
##1D5187	1.00	8.14	2.58	8.14
#FFFFFF	8.14	1.00	21.00	1.00
#000000	2.58	21.00	1.00	21.00
##FFFFFF	8.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#375589

Deuteranopia (green-blind)

#274B86

Tritanopia (blue-blind)

#005E65

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #1d5187;
/* rgb */ color: rgb(29, 81, 135);
/* oklch */ color: oklch(42.9% 0.105 252.3);

Tailwind

colors: {
  custom: {
    50: '#6981aa',
    500: '#1d5187',
    950: '#000000',
  },
}

SCSS

$custom: #1d5187;
$custom-light: #6981aa;
$custom-dark: #000000;

JSON

{
  "hex": "#1d5187",
  "rgb": {
    "r": 29,
    "g": 81,
    "b": 135
  },
  "hsl": {
    "h": 210.566,
    "s": 64.634,
    "l": 32.157
  },
  "oklch": {
    "l": 0.4293,
    "c": 0.10501,
    "h": 252.3
  },
  "luminance": 0.07895
}

Semantic roles & 50–950 ramp

primary

#1D5187

secondary

#B98146

accent

#9540E8

background

#F6F7FA

surface

#ECEEF4

border

#C7C9CE

text

#070A10

muted

#7A7C7F

Preview Lab

Preview with #1D5187

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

Preview Lab → · Contrast checker → · Palette generator →