#49739B
Closest named color: Dull Blue (#49759C). oklch(54.2% 0.079 248.3), rgb(73, 115, 155).
Aa
White text reads best on this color (4.98:1).
About this color
#49739B is a medium-dark, moderately saturated blue. In OKLCH its lightness is 54%, its chroma 0.079 and its hue 248°. Its hue sits on the cool side of the wheel. The nearest named color is Dull Blue (#49759C), ΔE 0.006 away. White text reads best on it, at 4.98:1.
| Hue family | Blues |
| Lightness | medium-dark (54%) |
| Chroma | moderately saturated (0.079) |
| Temperature | cool |
| Nearest name | Dull Blue (#49759C) |
| Black text | 4.20:1 |
| White text | 4.98:1 |
Values
| HEX | #49739B |
| RGB | rgb(73, 115, 155) |
| HSL | hsl(209, 36%, 45%) |
| OKLCH | oklch(54.2% 0.079 248.3) |
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 #49739B | 4.98:1 | AA | Lc -79.8 | Fine for body text |
| Black text on #49739B | 4.20:1 | AA large text | Lc 29.7 | Dividers and decoration only |
| #49739B text on white | 4.98:1 | AA | Lc 74.4 | Content text, not long reading |
| #49739B text on black | 4.20:1 | AA large text | Lc -27.3 | 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 600.
-
Step 50
50
#F3F6F8
oklch(97.1% 0.004 236.5)
-
Step 100
100
#E5EBF1
oklch(93.7% 0.01 247.9)
-
Step 200
200
#CFDBE6
oklch(88.6% 0.02 245.7)
-
Step 300
300
#AFC3D7
oklch(80.8% 0.036 248.3)
-
Step 400
400
#85A4C3
oklch(70.6% 0.057 248.6)
-
Step 500
500
#668EB4
oklch(63.2% 0.073 247.8)
-
Step 600
600 (this color)
#49739B
oklch(54.2% 0.079 248.3)
-
Step 700
700
#3E6488
oklch(49.1% 0.073 248.2)
-
Step 800
800
#33526F
oklch(42.8% 0.061 247.8)
-
Step 900
900
#2D445A
oklch(37.8% 0.048 248.1)
-
Step 950
950
#1B2834
oklch(27.1% 0.029 246.9)
#49739B 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) | #62749D | 0.031 |
| Deuteranopia (no green cones) | #586C9A | 0.025 |
| Tritanopia (no blue cones) | #1C7C81 | 0.066 |
| Achromatopsia (no color) | #6F6F6F | 0.079 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #49739B
#49739B
oklch(54.2% 0.079 248.3)
- #8D663A
#8D663A
oklch(54.1% 0.078 68.2)
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 #49739B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dull Blue #49759C ΔE 0.006
- Muted Blue #3B719F ΔE 0.017
- Metallic Blue #4F738E ΔE 0.021
- Cerulean #457B9D ΔE 0.023
- Flat Blue #3C73A8 ΔE 0.023
- Stormy Blue #507B9C ΔE 0.026
- French Blue #436BAD ΔE 0.042
- Sea Blue #047495 ΔE 0.044
Use #49739B 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.