#3858AC
Closest named color: Denim Blue (#3B5B92). oklch(48.2% 0.139 265.7), rgb(56, 88, 172).
Aa
White text reads best on this color (6.64:1).
About this color
#3858AC is a medium-dark, moderately saturated blue. In OKLCH its lightness is 48%, its chroma 0.139 and its hue 266°. Its hue sits on the cool side of the wheel. The nearest named color is Denim Blue (#3B5B92), ΔE 0.044 away. White text reads best on it, at 6.64:1.
| Hue family | Blues |
| Lightness | medium-dark (48%) |
| Chroma | moderately saturated (0.139) |
| Temperature | cool |
| Nearest name | Denim Blue (#3B5B92) |
| Black text | 3.15:1 |
| White text | 6.64:1 |
Values
| HEX | #3858AC |
| RGB | rgb(56, 88, 172) |
| HSL | hsl(223, 51%, 45%) |
| OKLCH | oklch(48.2% 0.139 265.7) |
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 #3858AC | 6.64:1 | AA | Lc -87.6 | Fine for body text |
| Black text on #3858AC | 3.15:1 | AA large text | Lc 21.5 | Dividers and decoration only |
| #3858AC text on white | 6.64:1 | AA | Lc 82.5 | Fine for body text |
| #3858AC text on black | 3.15:1 | AA large text | Lc -19.4 | 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
#F2F5FC
oklch(97% 0.01 267.4)
-
Step 100
100
#E4EAF7
oklch(93.6% 0.019 266)
-
Step 200
200
#CDD9F3
oklch(88.4% 0.038 265.8)
-
Step 300
300
#ACC0ED
oklch(80.8% 0.068 266.1)
-
Step 400
400
#819FE4
oklch(70.8% 0.107 265.8)
-
Step 500
500
#6185DD
oklch(63% 0.139 265.8)
-
Step 600
600
#496DCA
oklch(55.6% 0.15 265.8)
-
Step 700
700 (this color)
#3858AC
oklch(48.2% 0.139 265.7)
-
Step 800
800
#304A8E
oklch(42.6% 0.117 265.9)
-
Step 900
900
#2A3F71
oklch(37.7% 0.09 265.2)
-
Step 950
950
#192542
oklch(27% 0.057 265.8)
#3858AC 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) | #2B62AF | 0.027 |
| Deuteranopia (no green cones) | #0E57AA | 0.032 |
| Tritanopia (no blue cones) | #006C7A | 0.115 |
| Achromatopsia (no color) | #5C5C5C | 0.140 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3858AC
#3858AC
oklch(48.2% 0.139 265.7)
- #775900
#775900
oklch(48.2% 0.099 85.7)
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 #3858AC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Denim Blue #3B5B92 ΔE 0.044
- Mid Blue #276AB3 ΔE 0.048
- Dusky Blue #475F94 ΔE 0.050
- Dusk Blue #26538D ΔE 0.056
- French Blue #436BAD ΔE 0.056
- Twilight #4E518B ΔE 0.058
- Light Navy Blue #2E5A88 ΔE 0.062
- Denim #3B638C ΔE 0.066
Use #3858AC 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.