#1D5271#1D5271

#1D5271 is a dark, moderate cyan. Relative luminance 0.075; OKLCH L 41.9% C 0.076 H 238.2°. Best body text is #FFFFFF at 8.41:1 contrast (WCAG AA passes).

Color values

HEX	#1D5271
RGB	rgb(29, 82, 113)
HSL	hsl(202, 59%, 28%)
HSV	hsv(202, 74%, 44%)
CMYK	cmyk(74.3%, 27.4%, 0%, 55.7%)
CIE-LAB	lab(32.89, -6.23, -22.81)
CIE-LCH	lch(32.89, 23.64, 254.72°)
OKLab	oklab(41.85% -0.0398 -0.0643)
OKLCH	oklch(41.85% 0.076 238.2)
XYZ	xyz(6.5035, 7.4873, 16.7220)
Luminance	0.0749 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D5271 #713C1D

analogous

#1D7166 #1D5271 #1D2871

triadic

#1D5271 #711D52 #52711D

tetradic

#1D5271 #661D71 #713C1D #28711D

square

#1D5271 #661D71 #713C1D #28711D

split-complementary

#1D5271 #711D28 #71661D

monochromatic

#061218 #112F40 #1D5271 #2975A2 #3C97CD

Accessibility & contrast

On white

8.41

#1D5271 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.50

#1D5271 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D5271

8.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D5271	#FFFFFF	#000000	##FFFFFF
##1D5271	1.00	8.41	2.50	8.41
#FFFFFF	8.41	1.00	21.00	1.00
#000000	2.50	21.00	1.00	21.00
##FFFFFF	8.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#435272

Deuteranopia (green-blind)

#384A70

Tritanopia (blue-blind)

#005A5D

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #1d5271;
/* rgb */ color: rgb(29, 82, 113);
/* oklch */ color: oklch(41.9% 0.076 238.2);

Tailwind

colors: {
  custom: {
    50: '#65829a',
    500: '#1d5271',
    950: '#000000',
  },
}

SCSS

$custom: #1d5271;
$custom-light: #65829a;
$custom-dark: #000000;

JSON

{
  "hex": "#1d5271",
  "rgb": {
    "r": 29,
    "g": 82,
    "b": 113
  },
  "hsl": {
    "h": 202.143,
    "s": 59.155,
    "l": 27.843
  },
  "oklch": {
    "l": 0.41854,
    "c": 0.07561,
    "h": 238.2
  },
  "luminance": 0.07488
}

Semantic roles & 50–950 ramp

primary

#1D5271

secondary

#A56844

accent

#7F45E2

background

#F6F7F9

surface

#EBEEF2

border

#C6C9CC

text

#060A0E

muted

#7A7C7E

Preview Lab

Preview with #1D5271

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

Preview Lab → · Contrast checker → · Palette generator →