#2258A8#2258A8

#2258A8 is a mid, vivid blue. Relative luminance 0.101; OKLCH L 47.0% C 0.141 H 258.5°. Best body text is #FFFFFF at 6.93:1 contrast (WCAG AA passes).

Color values

HEX	#2258A8
RGB	rgb(34, 88, 168)
HSL	hsl(216, 66%, 40%)
HSV	hsv(216, 80%, 66%)
CMYK	cmyk(79.8%, 47.6%, 0%, 34.1%)
CIE-LAB	lab(38.10, 12.04, -48.03)
CIE-LCH	lch(38.10, 49.52, 284.07°)
OKLab	oklab(47.01% -0.028 -0.138)
OKLCH	oklch(47.01% 0.141 258.5)
XYZ	xyz(11.2147, 10.1454, 38.4054)
Luminance	0.1015 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2258A8 #A87222

analogous

#229BA8 #2258A8 #2F22A8

triadic

#2258A8 #A82258 #58A822

tetradic

#2258A8 #A8229B #A87222 #22A82F

square

#2258A8 #A8229B #A87222 #22A82F

split-complementary

#2258A8 #A82F22 #9BA822

monochromatic

#0D2342 #183D75 #2258A8 #3274D5 #6596E0

Accessibility & contrast

On white

6.93

#2258A8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.03

#2258A8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2258A8

6.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2258A8	#FFFFFF	#000000	##FFFFFF
##2258A8	1.00	6.93	3.03	6.93
#FFFFFF	6.93	1.00	21.00	1.00
#000000	3.03	21.00	1.00	21.00
##FFFFFF	6.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C60AB

Deuteranopia (green-blind)

#0254A6

Tritanopia (blue-blind)

#006B78

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #2258a8;
/* rgb */ color: rgb(34, 88, 168);
/* oklch */ color: oklch(47.0% 0.141 258.5);

Tailwind

colors: {
  custom: {
    50: '#7286c2',
    500: '#2258a8',
    950: '#000000',
  },
}

SCSS

$custom: #2258a8;
$custom-light: #7286c2;
$custom-dark: #000000;

JSON

{
  "hex": "#2258a8",
  "rgb": {
    "r": 34,
    "g": 88,
    "b": 168
  },
  "hsl": {
    "h": 215.821,
    "s": 66.337,
    "l": 39.608
  },
  "oklch": {
    "l": 0.47008,
    "c": 0.14077,
    "h": 258.5
  },
  "luminance": 0.10147
}

Semantic roles & 50–950 ramp

primary

#2258A8

secondary

#C59D61

accent

#A43FE9

background

#F7F8FC

surface

#EDEFF8

border

#C8CAD1

text

#090B12

muted

#7B7C81

Preview Lab

Preview with #2258A8

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

Preview Lab → · Contrast checker → · Palette generator →