#1D5BA1#1D5BA1

#1D5BA1 is a mid, vivid cyan. Relative luminance 0.103; OKLCH L 47.1% C 0.129 H 254.4°. Best body text is #FFFFFF at 6.86:1 contrast (WCAG AA passes).

Color values

HEX	#1D5BA1
RGB	rgb(29, 91, 161)
HSL	hsl(212, 69%, 37%)
HSV	hsv(212, 82%, 63%)
CMYK	cmyk(82%, 43.5%, 0%, 36.9%)
CIE-LAB	lab(38.40, 6.77, -43.39)
CIE-LCH	lch(38.40, 43.91, 278.87°)
OKLab	oklab(47.06% -0.0347 -0.1243)
OKLCH	oklch(47.06% 0.129 254.4)
XYZ	xyz(10.6784, 10.3153, 35.1396)
Luminance	0.1032 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D5BA1 #A1631D

analogous

#1D9DA1 #1D5BA1 #211DA1

triadic

#1D5BA1 #A11D5B #5BA11D

tetradic

#1D5BA1 #A11D9D #A1631D #1DA121

square

#1D5BA1 #A11D9D #A1631D #1DA121

split-complementary

#1D5BA1 #A1211D #9DA11D

monochromatic

#0A2039 #143E6D #1D5BA1 #2678D5 #5898E1

Accessibility & contrast

On white

6.86

#1D5BA1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.06

#1D5BA1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1D5BA1

6.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D5BA1	#FFFFFF	#000000	##FFFFFF
##1D5BA1	1.00	6.86	3.06	6.86
#FFFFFF	6.86	1.00	21.00	1.00
#000000	3.06	21.00	1.00	21.00
##FFFFFF	6.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3861A4

Deuteranopia (green-blind)

#1E55A0

Tritanopia (blue-blind)

#006C76

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #1d5ba1;
/* rgb */ color: rgb(29, 91, 161);
/* oklch */ color: oklch(47.1% 0.129 254.4);

Tailwind

colors: {
  custom: {
    50: '#6f88bd',
    500: '#1d5ba1',
    950: '#000000',
  },
}

SCSS

$custom: #1d5ba1;
$custom-light: #6f88bd;
$custom-dark: #000000;

JSON

{
  "hex": "#1d5ba1",
  "rgb": {
    "r": 29,
    "g": 91,
    "b": 161
  },
  "hsl": {
    "h": 211.818,
    "s": 69.474,
    "l": 37.255
  },
  "oklch": {
    "l": 0.47057,
    "c": 0.12904,
    "h": 254.4
  },
  "luminance": 0.10317
}

Semantic roles & 50–950 ramp

primary

#1D5BA1

secondary

#C49055

accent

#993CEC

background

#F7F8FB

surface

#EDEFF6

border

#C8CAD0

text

#090B12

muted

#7B7C81

Preview Lab

Preview with #1D5BA1

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

Preview Lab → · Contrast checker → · Palette generator →