#3164A3
Closest named color: Mid Blue (#276AB3). oklch(50% 0.115 255), rgb(49, 100, 163).
Aa
White text reads best on this color (6.03:1).
About this color
#3164A3 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 50%, its chroma 0.115 and its hue 255°. Its hue sits on the cool side of the wheel. The nearest named color is Mid Blue (#276AB3), ΔE 0.028 away. White text reads best on it, at 6.03:1.
| Hue family | Blues |
| Lightness | medium-dark (50%) |
| Chroma | moderately saturated (0.115) |
| Temperature | cool |
| Nearest name | Mid Blue (#276AB3) |
| Black text | 3.48:1 |
| White text | 6.03:1 |
Values
| HEX | #3164A3 |
| RGB | rgb(49, 100, 163) |
| HSL | hsl(213, 54%, 42%) |
| OKLCH | oklch(50% 0.115 255) |
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 #3164A3 | 6.03:1 | AA | Lc -85.1 | Fine for body text |
| Black text on #3164A3 | 3.48:1 | AA large text | Lc 24.2 | Dividers and decoration only |
| #3164A3 text on white | 6.03:1 | AA | Lc 79.9 | Fine for body text |
| #3164A3 text on black | 3.48:1 | AA large text | Lc -22.0 | 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
#F2F6FA
oklch(97.1% 0.007 247.9)
-
Step 100
100
#E3EBF5
oklch(93.7% 0.016 253.9)
-
Step 200
200
#CCDBEE
oklch(88.6% 0.031 254.3)
-
Step 300
300
#A9C3E5
oklch(80.9% 0.056 255.2)
-
Step 400
400
#7BA3D8
oklch(70.7% 0.09 255.7)
-
Step 500
500
#588CCD
oklch(63.2% 0.113 254.7)
-
Step 600
600
#3D74BA
oklch(55.5% 0.124 255.5)
-
Step 700
700 (this color)
#3164A3
oklch(50% 0.115 255)
-
Step 800
800
#275082
oklch(42.7% 0.095 254.7)
-
Step 900
900
#254368
oklch(37.8% 0.073 254.6)
-
Step 950
950
#16273D
oklch(27% 0.047 255.4)
#3164A3 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) | #4769A6 | 0.029 |
| Deuteranopia (no green cones) | #365EA2 | 0.017 |
| Tritanopia (no blue cones) | #00737B | 0.092 |
| Achromatopsia (no color) | #636363 | 0.115 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3164A3
#3164A3
oklch(50% 0.115 255)
- #865900
#865900
oklch(50.1% 0.106 74.9)
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 #3164A3, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mid Blue #276AB3 ΔE 0.028
- Dusky Blue #475F94 ΔE 0.031
- French Blue #436BAD ΔE 0.032
- Denim Blue #3B5B92 ΔE 0.033
- Peacock Blue #016795 ΔE 0.036
- Denim #3B638C ΔE 0.037
- Muted Blue #3B719F ΔE 0.042
- Ocean Blue #03719C ΔE 0.045
Use #3164A3 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.