#3B4B77
Closest named color: Light Navy (#155084). oklch(42% 0.076 267.9), rgb(59, 75, 119).
Aa
White text reads best on this color (8.54:1).
About this color
#3B4B77 is a dark, moderately saturated blue. In OKLCH its lightness is 42%, its chroma 0.076 and its hue 268°. Its hue sits on the cool side of the wheel. The nearest named color is Light Navy (#155084), ΔE 0.040 away. White text reads best on it, at 8.54:1.
| Hue family | Blues |
| Lightness | dark (42%) |
| Chroma | moderately saturated (0.076) |
| Temperature | cool |
| Nearest name | Light Navy (#155084) |
| Black text | 2.45:1 |
| White text | 8.54:1 |
Values
| HEX | #3B4B77 |
| RGB | rgb(59, 75, 119) |
| HSL | hsl(224, 34%, 35%) |
| OKLCH | oklch(42% 0.076 267.9) |
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 #3B4B77 | 8.54:1 | AAA | Lc -93.8 | Preferred for body text |
| Black text on #3B4B77 | 2.45:1 | Fails | Lc 14.7 | Not readable |
| #3B4B77 text on white | 8.54:1 | AAA | Lc 89.3 | Fine for body text |
| #3B4B77 text on black | 2.45:1 | Fails | Lc -12.9 | Not readable |
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 800.
-
Step 50
50
#F4F5FA
oklch(97.1% 0.007 277.2)
-
Step 100
100
#E6EAF3
oklch(93.7% 0.013 266.7)
-
Step 200
200
#D2D9EA
oklch(88.5% 0.025 267.9)
-
Step 300
300
#B4C0DE
oklch(80.8% 0.044 268.1)
-
Step 400
400
#8DA0CE
oklch(70.8% 0.071 267.1)
-
Step 500
500
#7187C1
oklch(63% 0.092 267.8)
-
Step 600
600
#5A70AE
oklch(55.5% 0.1 268.2)
-
Step 700
700
#4A5E95
oklch(49.1% 0.092 267.8)
-
Step 800
800 (this color)
#3B4B77
oklch(42% 0.076 267.9)
-
Step 900
900
#344061
oklch(37.6% 0.059 268.2)
-
Step 950
950
#1E2639
oklch(27% 0.037 266.4)
#3B4B77 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) | #3A4F79 | 0.012 |
| Deuteranopia (no green cones) | #344A76 | 0.010 |
| Tritanopia (no blue cones) | #23545B | 0.068 |
| Achromatopsia (no color) | #4C4C4C | 0.077 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3B4B77
#3B4B77
oklch(42% 0.076 267.9)
- #5F4A12
#5F4A12
oklch(42% 0.076 87.2)
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 #3B4B77, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Navy #155084 ΔE 0.040
- Dusk Blue #26538D ΔE 0.042
- Dusk #4E5481 ΔE 0.042
- Twilight #4E518B ΔE 0.047
- Deep Sea Blue #015482 ΔE 0.047
- Light Navy Blue #2E5A88 ΔE 0.047
- YInMn Blue #415A77 ΔE 0.048
- Cobalt #1E488F ΔE 0.052
Use #3B4B77 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.