#2657B0#2657B0

#2657B0 is a mid, vivid blue. Relative luminance 0.104; OKLCH L 47.5% C 0.152 H 261.1°. Best body text is #FFFFFF at 6.83:1 contrast (WCAG AA passes).

Color values

HEX	#2657B0
RGB	rgb(38, 87, 176)
HSL	hsl(219, 64%, 42%)
HSV	hsv(219, 78%, 69%)
CMYK	cmyk(78.4%, 50.6%, 0%, 31%)
CIE-LAB	lab(38.48, 16.28, -52.15)
CIE-LCH	lch(38.48, 54.63, 287.33°)
OKLab	oklab(47.51% -0.0234 -0.15)
OKLCH	oklch(47.51% 0.152 261.1)
XYZ	xyz(12.0412, 10.3616, 42.4313)
Luminance	0.1036 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2657B0 #B07F26

analogous

#269CB0 #2657B0 #3A26B0

triadic

#2657B0 #B02657 #57B026

tetradic

#2657B0 #B0269C #B07F26 #26B03A

square

#2657B0 #B0269C #B07F26 #26B03A

split-complementary

#2657B0 #B03A26 #9CB026

monochromatic

#10254B #1B3E7E #2657B0 #3E74D5 #7098E0

Accessibility & contrast

On white

6.83

#2657B0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.07

#2657B0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2657B0

6.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2657B0	#FFFFFF	#000000	##FFFFFF
##2657B0	1.00	6.83	3.07	6.83
#FFFFFF	6.83	1.00	21.00	1.00
#000000	3.07	21.00	1.00	21.00
##FFFFFF	6.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2061B3

Deuteranopia (green-blind)

#0055AE

Tritanopia (blue-blind)

#006C7B

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #2657b0;
/* rgb */ color: rgb(38, 87, 176);
/* oklch */ color: oklch(47.5% 0.152 261.1);

Tailwind

colors: {
  custom: {
    50: '#7685c8',
    500: '#2657b0',
    950: '#000000',
  },
}

SCSS

$custom: #2657b0;
$custom-light: #7685c8;
$custom-dark: #000000;

JSON

{
  "hex": "#2657b0",
  "rgb": {
    "r": 38,
    "g": 87,
    "b": 176
  },
  "hsl": {
    "h": 218.696,
    "s": 64.486,
    "l": 41.961
  },
  "oklch": {
    "l": 0.4751,
    "c": 0.15185,
    "h": 261.1
  },
  "luminance": 0.10363
}

Semantic roles & 50–950 ramp

primary

#2657B0

secondary

#C7A66B

accent

#AC40E7

background

#F7F8FC

surface

#EEEFF8

border

#C9CAD1

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #2657B0

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

Preview Lab → · Contrast checker → · Palette generator →