#3B4F92
Closest named color: Dusk Blue (#26538D). oklch(44.6% 0.112 269), rgb(59, 79, 146).
Aa
White text reads best on this color (7.72:1).
About this color
#3B4F92 is a dark, moderately saturated blue. In OKLCH its lightness is 45%, its chroma 0.112 and its hue 269°. Its hue sits on the cool side of the wheel. The nearest named color is Dusk Blue (#26538D), ΔE 0.026 away. White text reads best on it, at 7.72:1.
| Hue family | Blues |
| Lightness | dark (45%) |
| Chroma | moderately saturated (0.112) |
| Temperature | cool |
| Nearest name | Dusk Blue (#26538D) |
| Black text | 2.71:1 |
| White text | 7.72:1 |
Values
| HEX | #3B4F92 |
| RGB | rgb(59, 79, 146) |
| HSL | hsl(226, 42%, 40%) |
| OKLCH | oklch(44.6% 0.112 269) |
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 #3B4F92 | 7.72:1 | AAA | Lc -91.4 | Preferred for body text |
| Black text on #3B4F92 | 2.71:1 | Fails | Lc 17.4 | Dividers and decoration only |
| #3B4F92 text on white | 7.72:1 | AAA | Lc 86.6 | Fine for body text |
| #3B4F92 text on black | 2.71:1 | 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
#AFC0EC
oklch(81% 0.065 268.4)
-
Step 400
400
#869EE3
oklch(70.8% 0.105 269)
-
Step 500
500
#6884DA
oklch(63.1% 0.134 268.8)
-
Step 600
600
#516CC8
oklch(55.7% 0.146 269)
-
Step 700
700
#4259AD
oklch(49% 0.136 269.3)
-
Step 800
800 (this color)
#3B4F92
oklch(44.6% 0.112 269)
-
Step 900
900
#2F3E70
oklch(37.7% 0.088 269.3)
-
Step 950
950
#1B2541
oklch(27% 0.054 267.8)
#3B4F92 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) | #305795 | 0.024 |
| Deuteranopia (no green cones) | #244F91 | 0.025 |
| Tritanopia (no blue cones) | #005E69 | 0.100 |
| Achromatopsia (no color) | #535353 | 0.112 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3B4F92
#3B4F92
oklch(44.6% 0.112 269)
- #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 #3B4F92, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusk Blue #26538D ΔE 0.026
- Twilight #4E518B ΔE 0.030
- Denim Blue #3B5B92 ΔE 0.035
- Blueberry #464196 ΔE 0.040
- Cobalt #1E488F ΔE 0.040
- Light Navy Blue #2E5A88 ΔE 0.040
- Dusk #4E5481 ΔE 0.043
- Light Navy #155084 ΔE 0.044
Use #3B4F92 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.