#1D5A9F#1D5A9F

#1D5A9F is a mid, vivid cyan. Relative luminance 0.101; OKLCH L 46.7% C 0.128 H 254.4°. Best body text is #FFFFFF at 6.96:1 contrast (WCAG AA passes).

Color values

HEX	#1D5A9F
RGB	rgb(29, 90, 159)
HSL	hsl(212, 69%, 37%)
HSV	hsv(212, 82%, 62%)
CMYK	cmyk(81.8%, 43.4%, 0%, 37.6%)
CIE-LAB	lab(37.98, 6.63, -42.87)
CIE-LCH	lch(37.98, 43.38, 278.79°)
OKLab	oklab(46.69% -0.0342 -0.1228)
OKLCH	oklch(46.69% 0.128 254.4)
XYZ	xyz(10.4185, 10.0755, 34.1898)
Luminance	0.1008 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D5A9F #9F621D

analogous

#1D9B9F #1D5A9F #211D9F

triadic

#1D5A9F #9F1D5A #5A9F1D

tetradic

#1D5A9F #9F1D9B #9F621D #1D9F21

square

#1D5A9F #9F1D9B #9F621D #1D9F21

split-complementary

#1D5A9F #9F211D #9B9F1D

monochromatic

#0A1F37 #143D6B #1D5A9F #2677D3 #5697E0

Accessibility & contrast

On white

6.96

#1D5A9F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.02

#1D5A9F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1D5A9F

6.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D5A9F	#FFFFFF	#000000	##FFFFFF
##1D5A9F	1.00	6.96	3.02	6.96
#FFFFFF	6.96	1.00	21.00	1.00
#000000	3.02	21.00	1.00	21.00
##FFFFFF	6.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3760A2

Deuteranopia (green-blind)

#1F549E

Tritanopia (blue-blind)

#006A74

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #1d5a9f;
/* rgb */ color: rgb(29, 90, 159);
/* oklch */ color: oklch(46.7% 0.128 254.4);

Tailwind

colors: {
  custom: {
    50: '#6f88bc',
    500: '#1d5a9f',
    950: '#000000',
  },
}

SCSS

$custom: #1d5a9f;
$custom-light: #6f88bc;
$custom-dark: #000000;

JSON

{
  "hex": "#1d5a9f",
  "rgb": {
    "r": 29,
    "g": 90,
    "b": 159
  },
  "hsl": {
    "h": 211.846,
    "s": 69.149,
    "l": 36.863
  },
  "oklch": {
    "l": 0.46686,
    "c": 0.1275,
    "h": 254.4
  },
  "luminance": 0.10077
}

Semantic roles & 50–950 ramp

primary

#1D5A9F

secondary

#C48F54

accent

#993CEC

background

#F7F8FB

surface

#EDEFF6

border

#C8CAD0

text

#090B12

muted

#7B7C81

Preview Lab

Preview with #1D5A9F

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

Preview Lab → · Contrast checker → · Palette generator →