#3164AD
Closest named color: Mid Blue (#276AB3). oklch(50.6% 0.129 257.7), rgb(49, 100, 173).
Aa
White text reads best on this color (5.90:1).
About this color
#3164AD is a medium-dark, moderately saturated blue. In OKLCH its lightness is 51%, its chroma 0.129 and its hue 258°. Its hue sits on the cool side of the wheel. The nearest named color is Mid Blue (#276AB3), ΔE 0.018 away. White text reads best on it, at 5.90:1.
| Hue family | Blues |
| Lightness | medium-dark (51%) |
| Chroma | moderately saturated (0.129) |
| Temperature | cool |
| Nearest name | Mid Blue (#276AB3) |
| Black text | 3.55:1 |
| White text | 5.90:1 |
Values
| HEX | #3164AD |
| RGB | rgb(49, 100, 173) |
| HSL | hsl(215, 56%, 44%) |
| OKLCH | oklch(50.6% 0.129 257.7) |
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 #3164AD | 5.90:1 | AA | Lc -84.4 | Fine for body text |
| Black text on #3164AD | 3.55:1 | AA large text | Lc 24.8 | Dividers and decoration only |
| #3164AD text on white | 5.90:1 | AA | Lc 79.2 | Fine for body text |
| #3164AD text on black | 3.55:1 | AA large text | Lc -22.6 | 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
#F2F6FB
oklch(97.2% 0.008 253.9)
-
Step 100
100
#E3EBF6
oklch(93.7% 0.017 256.3)
-
Step 200
200
#CBDAF0
oklch(88.4% 0.034 257.9)
-
Step 300
300
#A8C3E9
oklch(81% 0.061 256.9)
-
Step 400
400
#79A2DE
oklch(70.6% 0.099 257.8)
-
Step 500
500
#568AD5
oklch(63.1% 0.127 257.6)
-
Step 600
600
#3A72C3
oklch(55.5% 0.139 257.8)
-
Step 700
700 (this color)
#3164AD
oklch(50.6% 0.129 257.7)
-
Step 800
800
#264E88
oklch(42.6% 0.107 257.9)
-
Step 900
900
#24426D
oklch(37.8% 0.082 257.5)
-
Step 950
950
#152740
oklch(27.1% 0.053 256.9)
#3164AD 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) | #416AB0 | 0.025 |
| Deuteranopia (no green cones) | #2C5FAC | 0.015 |
| Tritanopia (no blue cones) | #007580 | 0.101 |
| Achromatopsia (no color) | #646464 | 0.129 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3164AD
#3164AD
oklch(50.6% 0.129 257.7)
- #865C00
#865C00
oklch(50.7% 0.106 77.8)
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 #3164AD, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mid Blue #276AB3 ΔE 0.018
- French Blue #436BAD ΔE 0.029
- Dusky Blue #475F94 ΔE 0.043
- Denim Blue #3B5B92 ΔE 0.046
- Flat Blue #3C73A8 ΔE 0.048
- Peacock Blue #016795 ΔE 0.049
- Muted Blue #3B719F ΔE 0.049
- Denim #3B638C ΔE 0.053
Use #3164AD 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.