Nerdulator> put something in

Recognised as Colour

#003257

  • #003257
  • Blue
  • Dark
  • Nearest: Dark slate grey

#003257 is a blue with RGB values 0, 50, 87 and HSL 206°, 100%, 17%. It is a dark colour, so white text on it reaches 13.2:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#003257#003257
HEX#003257
RGBrgb(0, 50, 87)
RGB (0–1)0, 0.1961, 0.3412
RGB percentages0%, 19.6%, 34.1%
HSLhsl(205.5, 100%, 17.1%)
HSV / HSBhsv(205.5, 100%, 34.1%)
CMYK100%, 42.5%, 0%, 65.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer12,887
CSS custom property--colour: #003257;

Brightness & contrast

Relative luminance0.02969WCAG 2.x, 0 is black and 1 is white
Perceived brightness48.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 13.18:1
Contrast with white13.18:1WCAG normal text: AAA
Contrast with black1.59:1WCAG normal text: Fail
Greyscale equivalent#2A2A2A
Inverted#FFCDA8

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#1F3458no red cones; affects about 1% of men; ΔE 4.8 from the original
Deuteranopia#112D56no green cones; the most common form, about 1% of men; ΔE 5.5 from the original
Tritanopia#003B40no blue cones; rare, and affects men and women equally; ΔE 24.4 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text13.18:1WCAG large text: AAA
Contrast with black, large text1.59:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 28.4Dark slateblue · ΔE 31.7Black · ΔE 33.2Steel blue · ΔE 33.4Dim grey · ΔE 36.2Slate grey · ΔE 36.7
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 28.38, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#572500
Analogous#005751, #000657
Triadic#570032, #325700
Split complementary#570006, #575100
Tetradic#510057, #572500, #065700

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#24A2FF
Lighter +30%#008AF0
Lighter +20%#006DBD
Lighter +10%#004F8A
Darker −10%#001524
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#003257
Less saturated −25%#0B304C

Channel breakdown

R0
G50
B87
Red0 (0%)
Green50 (19.6%)
Blue87 (34.1%)
Hue205.52°
Saturation (HSL)100%
Lightness17.06%
Dominant channelBlue
Hex per channelR 00 · G 32 · B 57

Keep nerding

Every link below is a page Nerdulator can generate from what it already knows about this value.

Nerdulate something else

Nothing in mind? Surprise me · today’s page

Every value on this page was computed from “hex 003257” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.