#1D5397#1D5397

#1D5397 is a dark, vivid cyan. Relative luminance 0.087; OKLCH L 44.5% C 0.125 H 256.1°. Best body text is #FFFFFF at 7.67:1 contrast (WCAG AA passes).

Color values

HEX	#1D5397
RGB	rgb(29, 83, 151)
HSL	hsl(213, 68%, 35%)
HSV	hsv(213, 81%, 59%)
CMYK	cmyk(80.8%, 45%, 0%, 40.8%)
CIE-LAB	lab(35.36, 8.05, -42.25)
CIE-LCH	lch(35.36, 43.01, 280.78°)
OKLab	oklab(44.49% -0.03 -0.1211)
OKLCH	oklch(44.49% 0.125 256.1)
XYZ	xyz(9.1838, 8.6810, 30.4637)
Luminance	0.0868 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D5397 #97611D

analogous

#1D9097 #1D5397 #241D97

triadic

#1D5397 #971D53 #53971D

tetradic

#1D5397 #971D90 #97611D #1D9724

square

#1D5397 #971D90 #97611D #1D9724

split-complementary

#1D5397 #97241D #90971D

monochromatic

#091B30 #133764 #1D5397 #276FCA #518FDE

Accessibility & contrast

On white

7.67

#1D5397 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.74

#1D5397 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D5397

7.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D5397	#FFFFFF	#000000	##FFFFFF
##1D5397	1.00	7.67	2.74	7.67
#FFFFFF	7.67	1.00	21.00	1.00
#000000	2.74	21.00	1.00	21.00
##FFFFFF	7.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#30599A

Deuteranopia (green-blind)

#174E96

Tritanopia (blue-blind)

#00636D

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #1d5397;
/* rgb */ color: rgb(29, 83, 151);
/* oklch */ color: oklch(44.5% 0.125 256.1);

Tailwind

colors: {
  custom: {
    50: '#6d82b6',
    500: '#1d5397',
    950: '#000000',
  },
}

SCSS

$custom: #1d5397;
$custom-light: #6d82b6;
$custom-dark: #000000;

JSON

{
  "hex": "#1d5397",
  "rgb": {
    "r": 29,
    "g": 83,
    "b": 151
  },
  "hsl": {
    "h": 213.443,
    "s": 67.778,
    "l": 35.294
  },
  "oklch": {
    "l": 0.44494,
    "c": 0.12479,
    "h": 256.1
  },
  "luminance": 0.08682
}

Semantic roles & 50–950 ramp

primary

#1D5397

secondary

#C08E4F

accent

#9E3DEB

background

#F7F7FB

surface

#EDEEF6

border

#C8C9D0

text

#080A11

muted

#7B7C80

Preview Lab

Preview with #1D5397

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

Preview Lab → · Contrast checker → · Palette generator →