#49639B
Closest named color: Dusky Blue (#475F94). oklch(50.5% 0.095 264.4), rgb(73, 99, 155).
Aa
White text reads best on this color (5.92:1).
About this color
#49639B is a medium-dark, moderately saturated blue. In OKLCH its lightness is 51%, its chroma 0.095 and its hue 264°. Its hue sits on the cool side of the wheel. The nearest named color is Dusky Blue (#475F94), ΔE 0.015 away. White text reads best on it, at 5.92:1.
| Hue family | Blues |
| Lightness | medium-dark (51%) |
| Chroma | moderately saturated (0.095) |
| Temperature | cool |
| Nearest name | Dusky Blue (#475F94) |
| Black text | 3.54:1 |
| White text | 5.92:1 |
Values
| HEX | #49639B |
| RGB | rgb(73, 99, 155) |
| HSL | hsl(221, 36%, 45%) |
| OKLCH | oklch(50.5% 0.095 264.4) |
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 #49639B | 5.92:1 | AA | Lc -84.8 | Fine for body text |
| Black text on #49639B | 3.54:1 | AA large text | Lc 24.5 | Dividers and decoration only |
| #49639B text on white | 5.92:1 | AA | Lc 79.5 | Fine for body text |
| #49639B text on black | 3.54:1 | 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
#F3F5FA
oklch(97% 0.007 268.5)
-
Step 100
100
#E5EAF3
oklch(93.6% 0.013 262.4)
-
Step 200
200
#D1D9EB
oklch(88.5% 0.026 266.6)
-
Step 300
300
#B2C1DF
oklch(80.9% 0.046 264.3)
-
Step 400
400
#8AA0CF
oklch(70.6% 0.074 265.1)
-
Step 500
500
#6D88C3
oklch(63% 0.095 265)
-
Step 600
600
#5572AF
oklch(55.7% 0.101 264.1)
-
Step 700
700 (this color)
#49639B
oklch(50.5% 0.095 264.4)
-
Step 800
800
#394E7A
oklch(42.8% 0.078 264)
-
Step 900
900
#314162
oklch(37.7% 0.061 264)
-
Step 950
950
#1D263A
oklch(27% 0.04 265.3)
#49639B 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) | #4D689D | 0.016 |
| Deuteranopia (no green cones) | #44609A | 0.011 |
| Tritanopia (no blue cones) | #216F78 | 0.084 |
| Achromatopsia (no color) | #646464 | 0.095 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #49639B
#49639B
oklch(50.5% 0.095 264.4)
- #7E5F16
#7E5F16
oklch(50.4% 0.095 83.8)
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 #49639B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusky Blue #475F94 ΔE 0.015
- Denim #3B638C ΔE 0.031
- French Blue #436BAD ΔE 0.032
- Denim Blue #3B5B92 ΔE 0.032
- Muted Blue #3B719F ΔE 0.040
- Flat Blue #3C73A8 ΔE 0.046
- Mid Blue #276AB3 ΔE 0.046
- Peacock Blue #016795 ΔE 0.051
Use #49639B 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.