#3169BC
Closest named color: Mid Blue (#276AB3). oklch(52.7% 0.143 258.3), rgb(49, 105, 188).
Aa
White text reads best on this color (5.41:1).
About this color
#3169BC is a medium-dark, vivid blue. In OKLCH its lightness is 53%, its chroma 0.143 and its hue 258°. Its hue sits on the cool side of the wheel. The nearest named color is Mid Blue (#276AB3), ΔE 0.017 away. White text reads best on it, at 5.41:1.
| Hue family | Blues |
| Lightness | medium-dark (53%) |
| Chroma | vivid (0.143) |
| Temperature | cool |
| Nearest name | Mid Blue (#276AB3) |
| Black text | 3.87:1 |
| White text | 5.41:1 |
Values
| HEX | #3169BC |
| RGB | rgb(49, 105, 188) |
| HSL | hsl(216, 59%, 46%) |
| OKLCH | oklch(52.7% 0.143 258.3) |
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 #3169BC | 5.41:1 | AA | Lc -82.0 | Fine for body text |
| Black text on #3169BC | 3.87:1 | AA large text | Lc 27.4 | Dividers and decoration only |
| #3169BC text on white | 5.41:1 | AA | Lc 76.6 | Fine for body text |
| #3169BC text on black | 3.87:1 | AA large text | Lc -25.1 | 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 600.
-
Step 50
50
#F2F6FB
oklch(97.2% 0.008 253.9)
-
Step 100
100
#E2EAF7
oklch(93.5% 0.02 260.2)
-
Step 200
200
#CBDAF1
oklch(88.4% 0.036 258.9)
-
Step 300
300
#A7C2EB
oklch(80.8% 0.065 258.6)
-
Step 400
400
#78A2E1
oklch(70.7% 0.104 258.3)
-
Step 500
500
#5589D8
oklch(63% 0.132 258.5)
-
Step 600
600 (this color)
#3169BC
oklch(52.7% 0.143 258.3)
-
Step 700
700
#2C5FAB
oklch(49.1% 0.133 258.4)
-
Step 800
800
#254E8A
oklch(42.7% 0.11 258.1)
-
Step 900
900
#23416F
oklch(37.7% 0.087 258.7)
-
Step 950
950
#152641
oklch(26.9% 0.056 259.3)
#3169BC 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) | #3F71BF | 0.027 |
| Deuteranopia (no green cones) | #2564BA | 0.018 |
| Tritanopia (no blue cones) | #007C89 | 0.111 |
| Achromatopsia (no color) | #6A6A6A | 0.143 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3169BC
#3169BC
oklch(52.7% 0.143 258.3)
- #8D6200
#8D6200
oklch(52.8% 0.11 78.7)
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 #3169BC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mid Blue #276AB3 ΔE 0.017
- French Blue #436BAD ΔE 0.030
- Windows Blue #3778BF ΔE 0.043
- Flat Blue #3C73A8 ΔE 0.048
- Nice Blue #107AB0 ΔE 0.055
- Muted Blue #3B719F ΔE 0.056
- Royal Blue #4169E1 ΔE 0.060
- Ocean Blue #03719C ΔE 0.064
Use #3169BC 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.