#1D61B3#1D61B3

#1D61B3 is a mid, vivid cyan. Relative luminance 0.121; OKLCH L 49.7% C 0.146 H 255.8°. Best body text is #FFFFFF at 6.15:1 contrast (WCAG AA passes).

Color values

HEX	#1D61B3
RGB	rgb(29, 97, 179)
HSL	hsl(213, 72%, 41%)
HSV	hsv(213, 84%, 70%)
CMYK	cmyk(83.8%, 45.8%, 0%, 29.8%)
CIE-LAB	lab(41.32, 10.00, -49.36)
CIE-LCH	lch(41.32, 50.36, 281.45°)
OKLab	oklab(49.68% -0.0358 -0.1417)
OKLCH	oklch(49.68% 0.146 255.8)
XYZ	xyz(12.9150, 12.0637, 44.2869)
Luminance	0.1206 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D61B3 #B36F1D

analogous

#1DACB3 #1D61B3 #241DB3

triadic

#1D61B3 #B31D61 #61B31D

tetradic

#1D61B3 #B31DAC #B36F1D #1DB324

square

#1D61B3 #B31DAC #B36F1D #1DB324

split-complementary

#1D61B3 #B3241D #ACB31D

monochromatic

#0C284A #14447E #1D61B3 #307EDD #649FE6

Accessibility & contrast

On white

6.15

#1D61B3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.41

#1D61B3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1D61B3

6.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D61B3	#FFFFFF	#000000	##FFFFFF
##1D61B3	1.00	6.15	3.41	6.15
#FFFFFF	6.15	1.00	21.00	1.00
#000000	3.41	21.00	1.00	21.00
##FFFFFF	6.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3569B6

Deuteranopia (green-blind)

#0F5BB1

Tritanopia (blue-blind)

#007581

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #1d61b3;
/* rgb */ color: rgb(29, 97, 179);
/* oklch */ color: oklch(49.7% 0.146 255.8);

Tailwind

colors: {
  custom: {
    50: '#738dca',
    500: '#1d61b3',
    950: '#000000',
  },
}

SCSS

$custom: #1d61b3;
$custom-light: #738dca;
$custom-dark: #000000;

JSON

{
  "hex": "#1d61b3",
  "rgb": {
    "r": 29,
    "g": 97,
    "b": 179
  },
  "hsl": {
    "h": 212.8,
    "s": 72.115,
    "l": 40.784
  },
  "oklch": {
    "l": 0.49683,
    "c": 0.14621,
    "h": 255.8
  },
  "luminance": 0.12065
}

Semantic roles & 50–950 ramp

primary

#1D61B3

secondary

#CB9B61

accent

#9C39EF

background

#F7F8FC

surface

#EEF0F8

border

#C9CBD1

text

#0A0C13

muted

#7C7D82

Preview Lab

Preview with #1D61B3

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

Preview Lab → · Contrast checker → · Palette generator →