#305D7D
Closest named color: YInMn Blue (#415A77). oklch(46.1% 0.072 241.6), rgb(48, 93, 125).
Aa
White text reads best on this color (7.02:1).
About this color
#305D7D is a medium-dark, moderately saturated blue. In OKLCH its lightness is 46%, its chroma 0.072 and its hue 242°. Its hue sits on the cool side of the wheel. The nearest named color is YInMn Blue (#415A77), ΔE 0.020 away. White text reads best on it, at 7.02:1.
| Hue family | Blues |
| Lightness | medium-dark (46%) |
| Chroma | moderately saturated (0.072) |
| Temperature | cool |
| Nearest name | YInMn Blue (#415A77) |
| Black text | 2.98:1 |
| White text | 7.02:1 |
Values
| HEX | #305D7D |
| RGB | rgb(48, 93, 125) |
| HSL | hsl(205, 45%, 34%) |
| OKLCH | oklch(46.1% 0.072 241.6) |
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 #305D7D | 7.02:1 | AAA | Lc -89.1 | Fine for body text |
| Black text on #305D7D | 2.98:1 | Fails | Lc 19.8 | Dividers and decoration only |
| #305D7D text on white | 7.02:1 | AAA | Lc 84.2 | Fine for body text |
| #305D7D text on black | 2.98:1 | Fails | Lc -17.8 | 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
#F3F6F8
oklch(97.1% 0.004 236.5)
-
Step 100
100
#E4EBF0
oklch(93.6% 0.01 238.5)
-
Step 200
200
#CEDBE5
oklch(88.5% 0.02 240.8)
-
Step 300
300
#AEC4D6
oklch(80.9% 0.035 242.8)
-
Step 400
400
#82A6C1
oklch(70.8% 0.056 241)
-
Step 500
500
#628FB1
oklch(63.1% 0.071 241.9)
-
Step 600
600
#48799D
oklch(55.7% 0.077 241.8)
-
Step 700
700 (this color)
#305D7D
oklch(46.1% 0.072 241.6)
-
Step 800
800
#2F536D
oklch(42.7% 0.06 241.5)
-
Step 900
900
#2A4558
oklch(37.7% 0.046 240.3)
-
Step 950
950
#192834
oklch(26.9% 0.03 243.3)
#305D7D 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) | #4F5D7E | 0.037 |
| Deuteranopia (no green cones) | #44557C | 0.031 |
| Tritanopia (no blue cones) | #006568 | 0.056 |
| Achromatopsia (no color) | #595959 | 0.072 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #305D7D
#305D7D
oklch(46.1% 0.072 241.6)
- #754E2B
#754E2B
oklch(45.9% 0.072 61.3)
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 #305D7D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- YInMn Blue #415A77 ΔE 0.020
- Light Navy Blue #2E5A88 ΔE 0.023
- Denim #3B638C ΔE 0.031
- Denim Blue #3B5B92 ΔE 0.039
- Deep Sea Blue #015482 ΔE 0.045
- Dusk #4E5481 ΔE 0.045
- Peacock Blue #016795 ΔE 0.045
- Petrol #005F6A ΔE 0.046
Use #305D7D 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.