#3153C4
Closest named color: Blue Blue (#2242C7). oklch(48.7% 0.181 266.7), rgb(49, 83, 196).
Aa
White text reads best on this color (6.63:1).
About this color
#3153C4 is a medium-dark, vivid blue. In OKLCH its lightness is 49%, its chroma 0.181 and its hue 267°. Its hue sits on the cool side of the wheel. The nearest named color is Blue Blue (#2242C7), ΔE 0.044 away. White text reads best on it, at 6.63:1.
| Hue family | Blues |
| Lightness | medium-dark (49%) |
| Chroma | vivid (0.181) |
| Temperature | cool |
| Nearest name | Blue Blue (#2242C7) |
| Black text | 3.16:1 |
| White text | 6.63:1 |
Values
| HEX | #3153C4 |
| RGB | rgb(49, 83, 196) |
| HSL | hsl(226, 60%, 48%) |
| OKLCH | oklch(48.7% 0.181 266.7) |
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 #3153C4 | 6.63:1 | AA | Lc -87.3 | Fine for body text |
| Black text on #3153C4 | 3.16:1 | AA large text | Lc 21.8 | Dividers and decoration only |
| #3153C4 text on white | 6.63:1 | AA | Lc 82.3 | Fine for body text |
| #3153C4 text on black | 3.16:1 | AA large text | Lc -19.6 | 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
#A7C0FA
oklch(81% 0.087 266.4)
-
Step 400
400
#799CF8
oklch(70.7% 0.141 267)
-
Step 500
500
#5881F4
oklch(63.2% 0.178 266.6)
-
Step 600
600
#3F67E3
oklch(55.7% 0.194 266.5)
-
Step 700
700 (this color)
#3153C4
oklch(48.7% 0.181 266.7)
-
Step 800
800
#2A46A0
oklch(42.8% 0.15 266.8)
-
Step 900
900
#253C7F
oklch(37.8% 0.117 266.5)
-
Step 950
950
#16244A
oklch(27.1% 0.073 266.4)
#3153C4 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) | #0064C8 | 0.044 |
| Deuteranopia (no green cones) | #0056C2 | 0.027 |
| Tritanopia (no blue cones) | #006F83 | 0.143 |
| Achromatopsia (no color) | #5D5D5D | 0.181 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3153C4
#3153C4
oklch(48.7% 0.181 266.7)
- #785B00
#785B00
oklch(48.8% 0.1 86.9)
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 #3153C4, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blue Blue #2242C7 ΔE 0.044
- Warm Blue #4B57DB ΔE 0.049
- Majorelle Blue #3F37C9 ΔE 0.058
- Blue With A Hint Of Purple #533CC6 ΔE 0.061
- Azul #1D5DEC ΔE 0.066
- Blurple #5539CC ΔE 0.067
- Iris #6258C4 ΔE 0.067
- Mid Blue #276AB3 ΔE 0.068
Use #3153C4 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.