#3850B0
Closest named color: Blueberry (#464196). oklch(46.8% 0.155 269), rgb(56, 80, 176).
Aa
White text reads best on this color (7.13:1).
About this color
#3850B0 is a medium-dark, vivid blue. In OKLCH its lightness is 47%, its chroma 0.155 and its hue 269°. Its hue sits on the cool side of the wheel. The nearest named color is Blueberry (#464196), ΔE 0.055 away. White text reads best on it, at 7.13:1.
| Hue family | Blues |
| Lightness | medium-dark (47%) |
| Chroma | vivid (0.155) |
| Temperature | cool |
| Nearest name | Blueberry (#464196) |
| Black text | 2.94:1 |
| White text | 7.13:1 |
Values
| HEX | #3850B0 |
| RGB | rgb(56, 80, 176) |
| HSL | hsl(228, 52%, 45%) |
| OKLCH | oklch(46.8% 0.155 269) |
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 #3850B0 | 7.13:1 | AAA | Lc -89.3 | Fine for body text |
| Black text on #3850B0 | 2.94:1 | Fails | Lc 19.7 | Dividers and decoration only |
| #3850B0 text on white | 7.13:1 | AAA | Lc 84.4 | Fine for body text |
| #3850B0 text on black | 2.94:1 | Fails | Lc -17.6 | 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 700.
-
Step 50
50
#F3F5FC
oklch(97.1% 0.01 273.4)
-
Step 100
100
#E4EAF9
oklch(93.7% 0.021 268.4)
-
Step 200
200
#CED9F6
oklch(88.6% 0.042 269)
-
Step 300
300
#ADBFF2
oklch(80.9% 0.075 269.5)
-
Step 400
400
#829DEC
oklch(70.8% 0.12 268.9)
-
Step 500
500
#6482E6
oklch(63.1% 0.154 269.1)
-
Step 600
600
#4C69D4
oklch(55.6% 0.168 269)
-
Step 700
700 (this color)
#3850B0
oklch(46.8% 0.155 269)
-
Step 800
800
#334894
oklch(42.8% 0.127 268.9)
-
Step 900
900
#2C3D76
oklch(37.7% 0.099 268.8)
-
Step 950
950
#1A2445
oklch(27% 0.063 269.2)
#3850B0 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) | #055DB3 | 0.042 |
| Deuteranopia (no green cones) | #0053AE | 0.036 |
| Tritanopia (no blue cones) | #006778 | 0.127 |
| Achromatopsia (no color) | #585858 | 0.155 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3850B0
#3850B0
oklch(46.8% 0.155 269)
- #705700
#705700
oklch(46.9% 0.096 89.3)
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 #3850B0, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blueberry #464196 ΔE 0.055
- Blue Blue #2242C7 ΔE 0.056
- Denim Blue #3B5B92 ΔE 0.061
- Dusk Blue #26538D ΔE 0.062
- Blue With A Hint Of Purple #533CC6 ΔE 0.064
- Cobalt #1E488F ΔE 0.065
- Majorelle Blue #3F37C9 ΔE 0.066
- Twilight #4E518B ΔE 0.066
Use #3850B0 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.