#3257C7
Closest named color: Warm Blue (#4B57DB). oklch(49.8% 0.18 266.1), rgb(50, 87, 199).
Aa
White text reads best on this color (6.31:1).
About this color
#3257C7 is a medium-dark, vivid blue. In OKLCH its lightness is 50%, its chroma 0.180 and its hue 266°. Its hue sits on the cool side of the wheel. The nearest named color is Warm Blue (#4B57DB), ΔE 0.043 away. White text reads best on it, at 6.31:1.
| Hue family | Blues |
| Lightness | medium-dark (50%) |
| Chroma | vivid (0.180) |
| Temperature | cool |
| Nearest name | Warm Blue (#4B57DB) |
| Black text | 3.32:1 |
| White text | 6.31:1 |
Values
| HEX | #3257C7 |
| RGB | rgb(50, 87, 199) |
| HSL | hsl(225, 60%, 49%) |
| OKLCH | oklch(49.8% 0.18 266.1) |
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 #3257C7 | 6.31:1 | AA | Lc -86.1 | Fine for body text |
| Black text on #3257C7 | 3.32:1 | AA large text | Lc 23.1 | Dividers and decoration only |
| #3257C7 text on white | 6.31:1 | AA | Lc 80.9 | Fine for body text |
| #3257C7 text on black | 3.32:1 | AA large text | Lc -20.9 | 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
#F2F5FE
oklch(97% 0.012 271.3)
-
Step 100
100
#E2EAFB
oklch(93.6% 0.025 265.6)
-
Step 200
200
#CAD9FA
oklch(88.5% 0.048 266)
-
Step 300
300
#A6C0FA
oklch(80.9% 0.087 265.8)
-
Step 400
400
#789DF7
oklch(70.8% 0.139 266)
-
Step 500
500
#5681F4
oklch(63.1% 0.178 266)
-
Step 600
600
#3E67E2
oklch(55.5% 0.193 266.2)
-
Step 700
700 (this color)
#3257C7
oklch(49.8% 0.18 266.1)
-
Step 800
800
#28469F
oklch(42.6% 0.149 266.1)
-
Step 900
900
#243C7E
oklch(37.6% 0.116 266)
-
Step 950
950
#15244A
oklch(27% 0.073 265.6)
#3257C7 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) | #0067CB | 0.042 |
| Deuteranopia (no green cones) | #0059C5 | 0.026 |
| Tritanopia (no blue cones) | #007386 | 0.143 |
| Achromatopsia (no color) | #606060 | 0.180 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3257C7
#3257C7
oklch(49.8% 0.18 266.1)
- #7C5D00
#7C5D00
oklch(49.7% 0.102 85.9)
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 #3257C7, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Warm Blue #4B57DB ΔE 0.043
- Blue Blue #2242C7 ΔE 0.054
- Azul #1D5DEC ΔE 0.059
- Mid Blue #276AB3 ΔE 0.062
- Iris #6258C4 ΔE 0.062
- Royal Blue #4169E1 ΔE 0.063
- Blue With A Hint Of Purple #533CC6 ΔE 0.066
- Majorelle Blue #3F37C9 ΔE 0.067
Use #3257C7 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.