#3156BB
Closest named color: Blue Blue (#2242C7). oklch(48.6% 0.165 265.4), rgb(49, 86, 187).
Aa
White text reads best on this color (6.60:1).
About this color
#3156BB is a medium-dark, vivid blue. In OKLCH its lightness is 49%, its chroma 0.165 and its hue 265°. Its hue sits on the cool side of the wheel. The nearest named color is Blue Blue (#2242C7), ΔE 0.055 away. White text reads best on it, at 6.60:1.
| Hue family | Blues |
| Lightness | medium-dark (49%) |
| Chroma | vivid (0.165) |
| Temperature | cool |
| Nearest name | Blue Blue (#2242C7) |
| Black text | 3.17:1 |
| White text | 6.60:1 |
Values
| HEX | #3156BB |
| RGB | rgb(49, 86, 187) |
| HSL | hsl(224, 58%, 46%) |
| OKLCH | oklch(48.6% 0.165 265.4) |
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 #3156BB | 6.60:1 | AA | Lc -87.3 | Fine for body text |
| Black text on #3156BB | 3.17:1 | AA large text | Lc 21.8 | Dividers and decoration only |
| #3156BB text on white | 6.60:1 | AA | Lc 82.2 | Fine for body text |
| #3156BB text on black | 3.17:1 | AA large text | Lc -19.7 | 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
#F2F5FD
oklch(97% 0.011 269.6)
-
Step 100
100
#E2EAFA
oklch(93.6% 0.023 264.5)
-
Step 200
200
#CBD9F7
oklch(88.4% 0.044 265.6)
-
Step 300
300
#A8C0F5
oklch(80.9% 0.08 265.7)
-
Step 400
400
#7A9EF0
oklch(70.7% 0.127 265.3)
-
Step 500
500
#5983EB
oklch(63% 0.163 265.4)
-
Step 600
600
#406ADA
oklch(55.6% 0.178 265.5)
-
Step 700
700 (this color)
#3156BB
oklch(48.6% 0.165 265.4)
-
Step 800
800
#2A4899
oklch(42.7% 0.137 265.6)
-
Step 900
900
#263D79
oklch(37.6% 0.106 265.7)
-
Step 950
950
#162447
oklch(26.9% 0.068 265.6)
#3156BB 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) | #0363BF | 0.037 |
| Deuteranopia (no green cones) | #0057B9 | 0.027 |
| Tritanopia (no blue cones) | #006F80 | 0.132 |
| Achromatopsia (no color) | #5D5D5D | 0.165 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3156BB
#3156BB
oklch(48.6% 0.165 265.4)
- #795A00
#795A00
oklch(48.7% 0.1 85.2)
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 #3156BB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blue Blue #2242C7 ΔE 0.055
- Mid Blue #276AB3 ΔE 0.056
- Warm Blue #4B57DB ΔE 0.059
- Iris #6258C4 ΔE 0.066
- Blue With A Hint Of Purple #533CC6 ΔE 0.069
- French Blue #436BAD ΔE 0.069
- Majorelle Blue #3F37C9 ΔE 0.070
- Denim Blue #3B5B92 ΔE 0.070
Use #3156BB 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.