#3954B9
Closest named color: Blue Blue (#2242C7). oklch(48.4% 0.162 268.4), rgb(57, 84, 185).
Aa
White text reads best on this color (6.68:1).
About this color
#3954B9 is a medium-dark, vivid blue. In OKLCH its lightness is 48%, its chroma 0.162 and its hue 268°. Its hue sits on the cool side of the wheel. The nearest named color is Blue Blue (#2242C7), ΔE 0.056 away. White text reads best on it, at 6.68:1.
| Hue family | Blues |
| Lightness | medium-dark (48%) |
| Chroma | vivid (0.162) |
| Temperature | cool |
| Nearest name | Blue Blue (#2242C7) |
| Black text | 3.14:1 |
| White text | 6.68:1 |
Values
| HEX | #3954B9 |
| RGB | rgb(57, 84, 185) |
| HSL | hsl(227, 53%, 47%) |
| OKLCH | oklch(48.4% 0.162 268.4) |
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 #3954B9 | 6.68:1 | AA | Lc -87.6 | Fine for body text |
| Black text on #3954B9 | 3.14:1 | AA large text | Lc 21.5 | Dividers and decoration only |
| #3954B9 text on white | 6.68:1 | AA | Lc 82.6 | Fine for body text |
| #3954B9 text on black | 3.14:1 | AA large text | Lc -19.3 | 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
#E3EAFA
oklch(93.6% 0.023 266.9)
-
Step 200
200
#CDD9F7
oklch(88.6% 0.043 268.2)
-
Step 300
300
#ABBFF4
oklch(80.8% 0.078 268.5)
-
Step 400
400
#809DEF
oklch(70.8% 0.125 268.3)
-
Step 500
500
#6182EA
oklch(63.2% 0.16 268.3)
-
Step 600
600
#4968D8
oklch(55.5% 0.175 268.5)
-
Step 700
700 (this color)
#3954B9
oklch(48.4% 0.162 268.4)
-
Step 800
800
#314798
oklch(42.7% 0.135 268.7)
-
Step 900
900
#2A3C79
oklch(37.6% 0.106 268.5)
-
Step 950
950
#192447
oklch(27.1% 0.067 268.5)
#3954B9 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) | #0162BD | 0.043 |
| Deuteranopia (no green cones) | #0056B7 | 0.035 |
| Tritanopia (no blue cones) | #006C7E | 0.132 |
| Achromatopsia (no color) | #5C5C5C | 0.163 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3954B9
#3954B9
oklch(48.4% 0.162 268.4)
- #765B00
#765B00
oklch(48.5% 0.099 88.5)
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 #3954B9, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blue Blue #2242C7 ΔE 0.056
- Warm Blue #4B57DB ΔE 0.059
- Mid Blue #276AB3 ΔE 0.060
- Iris #6258C4 ΔE 0.061
- Blue With A Hint Of Purple #533CC6 ΔE 0.062
- Majorelle Blue #3F37C9 ΔE 0.067
- Denim Blue #3B5B92 ΔE 0.068
- French Blue #436BAD ΔE 0.070
Use #3954B9 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.