#3F6792
Closest named color: Denim (#3B638C). oklch(50.4% 0.083 251.4), rgb(63, 103, 146).
Aa
White text reads best on this color (5.88:1).
About this color
#3F6792 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 50%, its chroma 0.083 and its hue 251°. Its hue sits on the cool side of the wheel. The nearest named color is Denim (#3B638C), ΔE 0.015 away. White text reads best on it, at 5.88:1.
| Hue family | Blues |
| Lightness | medium-dark (50%) |
| Chroma | moderately saturated (0.083) |
| Temperature | cool |
| Nearest name | Denim (#3B638C) |
| Black text | 3.56:1 |
| White text | 5.88:1 |
Values
| HEX | #3F6792 |
| RGB | rgb(63, 103, 146) |
| HSL | hsl(211, 40%, 41%) |
| OKLCH | oklch(50.4% 0.083 251.4) |
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 #3F6792 | 5.88:1 | AA | Lc -84.5 | Fine for body text |
| Black text on #3F6792 | 3.56:1 | AA large text | Lc 24.7 | Dividers and decoration only |
| #3F6792 text on white | 5.88:1 | AA | Lc 79.3 | Fine for body text |
| #3F6792 text on black | 3.56:1 | AA large text | Lc -22.5 | 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 700.
-
Step 50
50
#F3F6F9
oklch(97.2% 0.005 247.9)
-
Step 100
100
#E4EBF2
oklch(93.7% 0.012 248)
-
Step 200
200
#CFDAE8
oklch(88.4% 0.023 254.4)
-
Step 300
300
#AEC3DA
oklch(80.9% 0.04 250.7)
-
Step 400
400
#83A4C8
oklch(70.7% 0.064 250.9)
-
Step 500
500
#648DBA
oklch(63.1% 0.082 251.4)
-
Step 600
600
#4A76A6
oklch(55.5% 0.09 251.7)
-
Step 700
700 (this color)
#3F6792
oklch(50.4% 0.083 251.4)
-
Step 800
800
#325173
oklch(42.7% 0.068 251.8)
-
Step 900
900
#2C435D
oklch(37.6% 0.053 252.2)
-
Step 950
950
#1A2837
oklch(27.1% 0.034 250.8)
#3F6792 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) | #556994 | 0.028 |
| Deuteranopia (no green cones) | #4B6191 | 0.021 |
| Tritanopia (no blue cones) | #027176 | 0.072 |
| Achromatopsia (no color) | #646464 | 0.083 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3F6792
#3F6792
oklch(50.4% 0.083 251.4)
- #825C2A
#825C2A
oklch(50.5% 0.083 71.4)
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 #3F6792, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Denim #3B638C ΔE 0.015
- Dusky Blue #475F94 ΔE 0.025
- Muted Blue #3B719F ΔE 0.031
- Denim Blue #3B5B92 ΔE 0.037
- Peacock Blue #016795 ΔE 0.037
- Ocean Blue #03719C ΔE 0.040
- Flat Blue #3C73A8 ΔE 0.043
- French Blue #436BAD ΔE 0.043
Use #3F6792 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.