#3045B4
Closest named color: Blue Blue (#2242C7). oklch(44.6% 0.177 269.5), rgb(48, 69, 180).
Aa
White text reads best on this color (7.96:1).
About this color
#3045B4 is a dark, vivid blue. In OKLCH its lightness is 45%, its chroma 0.177 and its hue 269°. Its hue sits on the cool side of the wheel. The nearest named color is Blue Blue (#2242C7), ΔE 0.034 away. White text reads best on it, at 7.96:1.
| Hue family | Blues |
| Lightness | dark (45%) |
| Chroma | vivid (0.177) |
| Temperature | cool |
| Nearest name | Blue Blue (#2242C7) |
| Black text | 2.63:1 |
| White text | 7.96:1 |
Values
| HEX | #3045B4 |
| RGB | rgb(48, 69, 180) |
| HSL | hsl(230, 58%, 45%) |
| OKLCH | oklch(44.6% 0.177 269.5) |
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 #3045B4 | 7.96:1 | AAA | Lc -91.8 | Preferred for body text |
| Black text on #3045B4 | 2.63:1 | Fails | Lc 17.0 | Dividers and decoration only |
| #3045B4 text on white | 7.96:1 | AAA | Lc 87.0 | Fine for body text |
| #3045B4 text on black | 2.63:1 | Fails | Lc -15.1 | 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 800.
-
Step 50
50
#F2F5FF
oklch(97.1% 0.014 272.7)
-
Step 100
100
#E2EAFF
oklch(93.7% 0.03 269.1)
-
Step 200
200
#CAD8FF
oklch(88.4% 0.056 269.7)
-
Step 300
300
#A8BEFF
oklch(80.9% 0.096 269.8)
-
Step 400
400
#7B9AFF
oklch(70.8% 0.152 269.4)
-
Step 500
500
#5B7CFF
oklch(63.1% 0.198 269.4)
-
Step 600
600
#425DF7
oklch(55.6% 0.23 269.5)
-
Step 700
700
#354BD7
oklch(49.1% 0.214 269.5)
-
Step 800
800 (this color)
#3045B4
oklch(44.6% 0.177 269.5)
-
Step 900
900
#263789
oklch(37.6% 0.138 269.6)
-
Step 950
950
#162150
oklch(26.9% 0.087 269.7)
#3045B4 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) | #0057B8 | 0.047 |
| Deuteranopia (no green cones) | #004BB2 | 0.031 |
| Tritanopia (no blue cones) | #006176 | 0.139 |
| Achromatopsia (no color) | #515151 | 0.177 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3045B4
#3045B4
oklch(44.6% 0.177 269.5)
- #685100
#685100
oklch(44.6% 0.091 89.7)
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 #3045B4, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blue Blue #2242C7 ΔE 0.034
- Sapphire #2138AB ΔE 0.040
- Majorelle Blue #3F37C9 ΔE 0.045
- Blueberry #464196 ΔE 0.056
- Blue With A Hint Of Purple #533CC6 ΔE 0.057
- Cobalt #1E488F ΔE 0.064
- Blurple #5539CC ΔE 0.065
- Dark Slate Blue #483D8B ΔE 0.074
Use #3045B4 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.