#3D7799
Closest named color: Dull Blue (#49759C). oklch(54.5% 0.081 236.6), rgb(61, 119, 153).
Aa
White text reads best on this color (4.88:1).
About this color
#3D7799 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 54%, its chroma 0.081 and its hue 237°. Its hue sits on the cool side of the wheel. The nearest named color is Dull Blue (#49759C), ΔE 0.014 away. White text reads best on it, at 4.88:1.
| Hue family | Blues |
| Lightness | medium-dark (54%) |
| Chroma | moderately saturated (0.081) |
| Temperature | cool |
| Nearest name | Dull Blue (#49759C) |
| Black text | 4.29:1 |
| White text | 4.88:1 |
Values
| HEX | #3D7799 |
| RGB | rgb(61, 119, 153) |
| HSL | hsl(202, 43%, 42%) |
| OKLCH | oklch(54.5% 0.081 236.6) |
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 #3D7799 | 4.88:1 | AA | Lc -79.1 | Fine for body text |
| Black text on #3D7799 | 4.29:1 | AA large text | Lc 30.4 | Non-text elements, placeholder text |
| #3D7799 text on white | 4.88:1 | AA | Lc 73.7 | Content text, not long reading |
| #3D7799 text on black | 4.29:1 | AA large text | Lc -28.0 | 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
#F2F6F8
oklch(97.1% 0.005 228.8)
-
Step 100
100
#E4EBF0
oklch(93.6% 0.01 238.5)
-
Step 200
200
#CDDBE5
oklch(88.4% 0.02 238.7)
-
Step 300
300
#ABC5D5
oklch(80.9% 0.036 234.9)
-
Step 400
400
#7EA7C1
oklch(70.8% 0.059 236.5)
-
Step 500
500
#5C91B1
oklch(63.2% 0.074 236.1)
-
Step 600
600 (this color)
#3D7799
oklch(54.5% 0.081 236.6)
-
Step 700
700
#326786
oklch(49.1% 0.075 236.7)
-
Step 800
800
#2A546D
oklch(42.7% 0.063 236.9)
-
Step 900
900
#274658
oklch(37.8% 0.048 235.5)
-
Step 950
950
#172934
oklch(27.1% 0.031 236.4)
#3D7799 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) | #67769B | 0.048 |
| Deuteranopia (no green cones) | #5A6D98 | 0.040 |
| Tritanopia (no blue cones) | #008082 | 0.060 |
| Achromatopsia (no color) | #717171 | 0.081 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3D7799
#3D7799
oklch(54.5% 0.081 236.6)
- #946340
#946340
oklch(54.4% 0.081 55.7)
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 #3D7799, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dull Blue #49759C ΔE 0.014
- Cerulean #457B9D ΔE 0.016
- Muted Blue #3B719F ΔE 0.023
- Metallic Blue #4F738E ΔE 0.023
- Stormy Blue #507B9C ΔE 0.024
- Flat Blue #3C73A8 ΔE 0.029
- Sea Blue #047495 ΔE 0.034
- Ocean #017B92 ΔE 0.034
Use #3D7799 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.