#3161BE
Closest named color: Mid Blue (#276AB3). oklch(51.1% 0.156 262), rgb(49, 97, 190).
Aa
White text reads best on this color (5.85:1).
About this color
#3161BE is a medium-dark, vivid blue. In OKLCH its lightness is 51%, its chroma 0.156 and its hue 262°. Its hue sits on the cool side of the wheel. The nearest named color is Mid Blue (#276AB3), ΔE 0.032 away. White text reads best on it, at 5.85:1.
| Hue family | Blues |
| Lightness | medium-dark (51%) |
| Chroma | vivid (0.156) |
| Temperature | cool |
| Nearest name | Mid Blue (#276AB3) |
| Black text | 3.58:1 |
| White text | 5.85:1 |
Values
| HEX | #3161BE |
| RGB | rgb(49, 97, 190) |
| HSL | hsl(220, 59%, 47%) |
| OKLCH | oklch(51.1% 0.156 262) |
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 #3161BE | 5.85:1 | AA | Lc -84.2 | Fine for body text |
| Black text on #3161BE | 3.58:1 | AA large text | Lc 25.2 | Dividers and decoration only |
| #3161BE text on white | 5.85:1 | AA | Lc 78.9 | Fine for body text |
| #3161BE text on black | 3.58:1 | AA large text | Lc -22.9 | 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
#F2F6FC
oklch(97.2% 0.009 258.3)
-
Step 100
100
#E2EAF9
oklch(93.5% 0.022 263.2)
-
Step 200
200
#CADAF6
oklch(88.5% 0.042 261.7)
-
Step 300
300
#A6C1F2
oklch(80.8% 0.076 262.2)
-
Step 400
400
#77A0EC
oklch(70.8% 0.121 262.1)
-
Step 500
500
#5486E6
oklch(63.1% 0.155 262.2)
-
Step 600
600
#396ED4
oklch(55.7% 0.167 261.9)
-
Step 700
700 (this color)
#3161BE
oklch(51.1% 0.156 262)
-
Step 800
800
#254B94
oklch(42.7% 0.128 261.9)
-
Step 900
900
#223F76
oklch(37.6% 0.1 261.9)
-
Step 950
950
#152545
oklch(26.9% 0.064 262.8)
#3161BE 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) | #2C6CC1 | 0.029 |
| Deuteranopia (no green cones) | #005FBC | 0.026 |
| Tritanopia (no blue cones) | #007786 | 0.123 |
| Achromatopsia (no color) | #656565 | 0.156 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3161BE
#3161BE
oklch(51.1% 0.156 262)
- #845F00
#845F00
oklch(51.1% 0.105 82)
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 #3161BE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mid Blue #276AB3 ΔE 0.032
- French Blue #436BAD ΔE 0.046
- Warm Blue #4B57DB ΔE 0.058
- Royal Blue #4169E1 ΔE 0.060
- Iris #6258C4 ΔE 0.062
- Windows Blue #3778BF ΔE 0.064
- Flat Blue #3C73A8 ΔE 0.068
- Dusky Blue #475F94 ΔE 0.069
Use #3161BE 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.