#2257AF#2257AF

#2257AF is a mid, vivid blue. Relative luminance 0.103; OKLCH L 47.3% C 0.152 H 260.1°. Best body text is #FFFFFF at 6.88:1 contrast (WCAG AA passes).

Color values

HEX	#2257AF
RGB	rgb(34, 87, 175)
HSL	hsl(217, 67%, 41%)
HSV	hsv(217, 81%, 69%)
CMYK	cmyk(80.6%, 50.3%, 0%, 31.4%)
CIE-LAB	lab(38.29, 15.45, -51.88)
CIE-LCH	lch(38.29, 54.13, 286.59°)
OKLab	oklab(47.3% -0.0261 -0.1493)
OKLCH	oklch(47.3% 0.152 260.1)
XYZ	xyz(11.8029, 10.2502, 41.9055)
Luminance	0.1025 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2257AF #AF7A22

analogous

#229DAF #2257AF #3422AF

triadic

#2257AF #AF2257 #57AF22

tetradic

#2257AF #AF229D #AF7A22 #22AF34

square

#2257AF #AF229D #AF7A22 #22AF34

split-complementary

#2257AF #AF3422 #9DAF22

monochromatic

#0E2449 #183E7C #2257AF #3673D8 #6997E2

Accessibility & contrast

On white

6.88

#2257AF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.05

#2257AF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2257AF

6.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2257AF	#FFFFFF	#000000	##FFFFFF
##2257AF	1.00	6.88	3.05	6.88
#FFFFFF	6.88	1.00	21.00	1.00
#000000	3.05	21.00	1.00	21.00
##FFFFFF	6.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2161B2

Deuteranopia (green-blind)

#0054AD

Tritanopia (blue-blind)

#006C7A

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #2257af;
/* rgb */ color: rgb(34, 87, 175);
/* oklch */ color: oklch(47.3% 0.152 260.1);

Tailwind

colors: {
  custom: {
    50: '#7485c7',
    500: '#2257af',
    950: '#000000',
  },
}

SCSS

$custom: #2257af;
$custom-light: #7485c7;
$custom-dark: #000000;

JSON

{
  "hex": "#2257af",
  "rgb": {
    "r": 34,
    "g": 87,
    "b": 175
  },
  "hsl": {
    "h": 217.447,
    "s": 67.464,
    "l": 40.98
  },
  "oklch": {
    "l": 0.47303,
    "c": 0.15157,
    "h": 260.1
  },
  "luminance": 0.10252
}

Semantic roles & 50–950 ramp

primary

#2257AF

secondary

#C8A365

accent

#A93DEA

background

#F7F8FC

surface

#EEEFF8

border

#C9CAD1

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #2257AF

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

Preview Lab → · Contrast checker → · Palette generator →