#496591
Closest named color: Denim (#3B638C). oklch(50.4% 0.078 259.2), rgb(73, 101, 145).
Aa
White text reads best on this color (5.90:1).
About this color
#496591 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 50%, its chroma 0.078 and its hue 259°. Its hue sits on the cool side of the wheel. The nearest named color is Denim (#3B638C), ΔE 0.020 away. White text reads best on it, at 5.90:1.
| Hue family | Blues |
| Lightness | medium-dark (50%) |
| Chroma | moderately saturated (0.078) |
| Temperature | cool |
| Nearest name | Denim (#3B638C) |
| Black text | 3.55:1 |
| White text | 5.90:1 |
Values
| HEX | #496591 |
| RGB | rgb(73, 101, 145) |
| HSL | hsl(217, 33%, 43%) |
| OKLCH | oklch(50.4% 0.078 259.2) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #496591 | 5.90:1 | AA | Lc -84.7 | Fine for body text |
| Black text on #496591 | 3.55:1 | AA large text | Lc 24.6 | Dividers and decoration only |
| #496591 text on white | 5.90:1 | AA | Lc 79.5 | Fine for body text |
| #496591 text on black | 3.55:1 | AA large text | Lc -22.3 | Dividers and decoration only |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 700.
-
Step 50
50
#F3F6F9
oklch(97.2% 0.005 247.9)
-
Step 100
100
#E6EAF1
oklch(93.6% 0.01 261.8)
-
Step 200
200
#D1DAE7
oklch(88.5% 0.02 257.5)
-
Step 300
300
#B2C2DA
oklch(81% 0.038 258.4)
-
Step 400
400
#8AA2C7
oklch(70.7% 0.061 258.9)
-
Step 500
500
#6D8BB8
oklch(63.2% 0.076 258.3)
-
Step 600
600
#5574A4
oklch(55.6% 0.083 258.9)
-
Step 700
700 (this color)
#496591
oklch(50.4% 0.078 259.2)
-
Step 800
800
#394F72
oklch(42.6% 0.065 259.4)
-
Step 900
900
#31425C
oklch(37.6% 0.05 258.7)
-
Step 950
950
#1D2736
oklch(27% 0.031 258.3)
#496591 with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #546893 | 0.018 |
| Deuteranopia (no green cones) | #4C6190 | 0.012 |
| Tritanopia (no blue cones) | #2A6F75 | 0.069 |
| Achromatopsia (no color) | #646464 | 0.078 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #496591
#496591
oklch(50.4% 0.078 259.2)
- #7C5F2C
#7C5F2C
oklch(50.4% 0.078 79.5)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #496591, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Denim #3B638C ΔE 0.020
- Dusky Blue #475F94 ΔE 0.020
- Denim Blue #3B5B92 ΔE 0.036
- Muted Blue #3B719F ΔE 0.037
- French Blue #436BAD ΔE 0.044
- Metallic Blue #4F738E ΔE 0.045
- Dull Blue #49759C ΔE 0.046
- Flat Blue #3C73A8 ΔE 0.047
Use #496591 in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.