#3B4F93
Closest named color: Dusk Blue (#26538D). oklch(44.7% 0.114 269.1), rgb(59, 79, 147).
Aa
White text reads best on this color (7.70:1).
About this color
#3B4F93 is a dark, moderately saturated blue. In OKLCH its lightness is 45%, its chroma 0.114 and its hue 269°. Its hue sits on the cool side of the wheel. The nearest named color is Dusk Blue (#26538D), ΔE 0.027 away. White text reads best on it, at 7.70:1.
| Hue family | Blues |
| Lightness | dark (45%) |
| Chroma | moderately saturated (0.114) |
| Temperature | cool |
| Nearest name | Dusk Blue (#26538D) |
| Black text | 2.72:1 |
| White text | 7.70:1 |
Values
| HEX | #3B4F93 |
| RGB | rgb(59, 79, 147) |
| HSL | hsl(226, 43%, 40%) |
| OKLCH | oklch(44.7% 0.114 269.1) |
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 #3B4F93 | 7.70:1 | AAA | Lc -91.3 | Preferred for body text |
| Black text on #3B4F93 | 2.72:1 | Fails | Lc 17.5 | Dividers and decoration only |
| #3B4F93 text on white | 7.70:1 | AAA | Lc 86.6 | Fine for body text |
| #3B4F93 text on black | 2.72:1 | Fails | Lc -15.5 | 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 800.
-
Step 50
50
#F3F5FC
oklch(97.1% 0.01 273.4)
-
Step 100
100
#E4EAF7
oklch(93.6% 0.019 266)
-
Step 200
200
#CFD9F2
oklch(88.5% 0.036 268.3)
-
Step 300
300
#AFC0ED
oklch(81% 0.067 268.7)
-
Step 400
400
#859DE3
oklch(70.6% 0.107 269.1)
-
Step 500
500
#6884DB
oklch(63.1% 0.135 268.9)
-
Step 600
600
#516BC9
oklch(55.5% 0.148 269.5)
-
Step 700
700
#4159AE
oklch(49% 0.138 269)
-
Step 800
800 (this color)
#3B4F93
oklch(44.7% 0.114 269.1)
-
Step 900
900
#2E3E70
oklch(37.7% 0.088 268.6)
-
Step 950
950
#1B2542
oklch(27.1% 0.056 268.2)
#3B4F93 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) | #305796 | 0.023 |
| Deuteranopia (no green cones) | #234F92 | 0.026 |
| Tritanopia (no blue cones) | #005E6A | 0.100 |
| Achromatopsia (no color) | #535353 | 0.114 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3B4F93
#3B4F93
oklch(44.7% 0.114 269.1)
- #695100
#695100
oklch(44.7% 0.091 88.8)
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 #3B4F93, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusk Blue #26538D ΔE 0.027
- Twilight #4E518B ΔE 0.031
- Denim Blue #3B5B92 ΔE 0.035
- Blueberry #464196 ΔE 0.039
- Cobalt #1E488F ΔE 0.040
- Light Navy Blue #2E5A88 ΔE 0.041
- Dusk #4E5481 ΔE 0.045
- Light Navy #155084 ΔE 0.045
Use #3B4F93 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.