#1D5FBA#1D5FBA

#1D5FBA is a mid, vivid cyan. Relative luminance 0.120; OKLCH L 49.7% C 0.158 H 257.9°. Best body text is #FFFFFF at 6.18:1 contrast (WCAG AA passes).

Color values

HEX	#1D5FBA
RGB	rgb(29, 95, 186)
HSL	hsl(215, 73%, 42%)
HSV	hsv(215, 84%, 73%)
CMYK	cmyk(84.4%, 48.9%, 0%, 27.1%)
CIE-LAB	lab(41.20, 14.06, -53.65)
CIE-LCH	lch(41.20, 55.46, 284.69°)
OKLab	oklab(49.74% -0.0331 -0.1544)
OKLCH	oklch(49.74% 0.158 257.9)
XYZ	xyz(13.4586, 11.9891, 48.0496)
Luminance	0.1199 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D5FBA #BA781D

analogous

#1DAEBA #1D5FBA #2A1DBA

triadic

#1D5FBA #BA1D5F #5FBA1D

tetradic

#1D5FBA #BA1DAE #BA781D #1DBA2A

square

#1D5FBA #BA1DAE #BA781D #1DBA2A

split-complementary

#1D5FBA #BA2A1D #AEBA1D

monochromatic

#0C2950 #154485 #1D5FBA #357DDF #6A9FE8

Accessibility & contrast

On white

6.18

#1D5FBA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.40

#1D5FBA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1D5FBA

6.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D5FBA	#FFFFFF	#000000	##FFFFFF
##1D5FBA	1.00	6.18	3.40	6.18
#FFFFFF	6.18	1.00	21.00	1.00
#000000	3.40	21.00	1.00	21.00
##FFFFFF	6.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2969BD

Deuteranopia (green-blind)

#005BB8

Tritanopia (blue-blind)

#007583

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #1d5fba;
/* rgb */ color: rgb(29, 95, 186);
/* oklch */ color: oklch(49.7% 0.158 257.9);

Tailwind

colors: {
  custom: {
    50: '#758bcf',
    500: '#1d5fba',
    950: '#000000',
  },
}

SCSS

$custom: #1d5fba;
$custom-light: #758bcf;
$custom-dark: #000000;

JSON

{
  "hex": "#1d5fba",
  "rgb": {
    "r": 29,
    "g": 95,
    "b": 186
  },
  "hsl": {
    "h": 214.777,
    "s": 73.023,
    "l": 42.157
  },
  "oklch": {
    "l": 0.49739,
    "c": 0.15792,
    "h": 257.9
  },
  "luminance": 0.11991
}

Semantic roles & 50–950 ramp

primary

#1D5FBA

secondary

#CDA265

accent

#A338F0

background

#F7F8FC

surface

#EEF0F9

border

#C9CBD2

text

#0A0B14

muted

#7C7C82

Preview Lab

Preview with #1D5FBA

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

Preview Lab → · Contrast checker → · Palette generator →