#3156AF
Closest named color: Denim Blue (#3B5B92). oklch(47.7% 0.148 264.5), rgb(49, 86, 175).
Aa
White text reads best on this color (6.81:1).
About this color
#3156AF is a medium-dark, vivid blue. In OKLCH its lightness is 48%, its chroma 0.148 and its hue 264°. Its hue sits on the cool side of the wheel. The nearest named color is Denim Blue (#3B5B92), ΔE 0.052 away. White text reads best on it, at 6.81:1.
| Hue family | Blues |
| Lightness | medium-dark (48%) |
| Chroma | vivid (0.148) |
| Temperature | cool |
| Nearest name | Denim Blue (#3B5B92) |
| Black text | 3.08:1 |
| White text | 6.81:1 |
Values
| HEX | #3156AF |
| RGB | rgb(49, 86, 175) |
| HSL | hsl(222, 56%, 44%) |
| OKLCH | oklch(47.7% 0.148 264.5) |
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 #3156AF | 6.81:1 | AA | Lc -88.2 | Fine for body text |
| Black text on #3156AF | 3.08:1 | AA large text | Lc 20.9 | Dividers and decoration only |
| #3156AF text on white | 6.81:1 | AA | Lc 83.2 | Fine for body text |
| #3156AF text on black | 3.08:1 | AA large text | Lc -18.8 | 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
#F2F5FC
oklch(97% 0.01 267.4)
-
Step 100
100
#E3EAF8
oklch(93.6% 0.02 264.5)
-
Step 200
200
#CCD9F4
oklch(88.4% 0.04 265.1)
-
Step 300
300
#AAC1F0
oklch(81% 0.071 264.4)
-
Step 400
400
#7D9FE9
oklch(70.7% 0.115 264.8)
-
Step 500
500
#5C85E2
oklch(63.1% 0.148 264.6)
-
Step 600
600
#436DD0
oklch(55.7% 0.16 264.5)
-
Step 700
700 (this color)
#3156AF
oklch(47.7% 0.148 264.5)
-
Step 800
800
#2C4A91
oklch(42.6% 0.123 264.5)
-
Step 900
900
#273F74
oklch(37.7% 0.096 264)
-
Step 950
950
#172544
oklch(27% 0.061 264.4)
#3156AF 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) | #2061B2 | 0.030 |
| Deuteranopia (no green cones) | #0055AD | 0.029 |
| Tritanopia (no blue cones) | #006B7A | 0.119 |
| Achromatopsia (no color) | #5B5B5B | 0.149 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3156AF
#3156AF
oklch(47.7% 0.148 264.5)
- #765700
#765700
oklch(47.6% 0.098 84.5)
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 #3156AF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Denim Blue #3B5B92 ΔE 0.052
- Mid Blue #276AB3 ΔE 0.053
- Dusk Blue #26538D ΔE 0.057
- Dusky Blue #475F94 ΔE 0.060
- French Blue #436BAD ΔE 0.065
- Blue Blue #2242C7 ΔE 0.065
- Twilight #4E518B ΔE 0.065
- Blueberry #464196 ΔE 0.066
Use #3156AF 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.