#2358B1#2358B1

#2358B1 is a mid, vivid blue. Relative luminance 0.105; OKLCH L 47.7% C 0.153 H 260.2°. Best body text is #FFFFFF at 6.77:1 contrast (WCAG AA passes).

Color values

HEX	#2358B1
RGB	rgb(35, 88, 177)
HSL	hsl(218, 67%, 42%)
HSV	hsv(218, 80%, 69%)
CMYK	cmyk(80.2%, 50.3%, 0%, 30.6%)
CIE-LAB	lab(38.74, 15.68, -52.33)
CIE-LCH	lch(38.74, 54.62, 286.68°)
OKLab	oklab(47.7% -0.0259 -0.1506)
OKLCH	oklch(47.7% 0.153 260.2)
XYZ	xyz(12.1158, 10.5097, 42.9765)
Luminance	0.1051 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2358B1 #B17C23

analogous

#239FB1 #2358B1 #3523B1

triadic

#2358B1 #B12358 #58B123

tetradic

#2358B1 #B1239F #B17C23 #23B135

square

#2358B1 #B1239F #B17C23 #23B135

split-complementary

#2358B1 #B13523 #9FB123

monochromatic

#0F254B #193F7E #2358B1 #3974D8 #6C98E2

Accessibility & contrast

On white

6.77

#2358B1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.10

#2358B1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2358B1

6.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2358B1	#FFFFFF	#000000	##FFFFFF
##2358B1	1.00	6.77	3.10	6.77
#FFFFFF	6.77	1.00	21.00	1.00
#000000	3.10	21.00	1.00	21.00
##FFFFFF	6.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2162B4

Deuteranopia (green-blind)

#0055AF

Tritanopia (blue-blind)

#006D7C

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #2358b1;
/* rgb */ color: rgb(35, 88, 177);
/* oklch */ color: oklch(47.7% 0.153 260.2);

Tailwind

colors: {
  custom: {
    50: '#7586c9',
    500: '#2358b1',
    950: '#000000',
  },
}

SCSS

$custom: #2358b1;
$custom-light: #7586c9;
$custom-dark: #000000;

JSON

{
  "hex": "#2358b1",
  "rgb": {
    "r": 35,
    "g": 88,
    "b": 177
  },
  "hsl": {
    "h": 217.606,
    "s": 66.981,
    "l": 41.569
  },
  "oklch": {
    "l": 0.47703,
    "c": 0.1528,
    "h": 260.2
  },
  "luminance": 0.10511
}

Semantic roles & 50–950 ramp

primary

#2358B1

secondary

#C8A468

accent

#AA3EEA

background

#F7F8FC

surface

#EEEFF8

border

#C9CAD1

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #2358B1

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

Preview Lab → · Contrast checker → · Palette generator →