#305D7C
Closest named color: YInMn Blue (#415A77). oklch(46% 0.071 240.8), rgb(48, 93, 124).
Aa
White text reads best on this color (7.04:1).
About this color
#305D7C is a medium-dark, moderately saturated blue. In OKLCH its lightness is 46%, its chroma 0.071 and its hue 241°. 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 7.04:1.
| Hue family | Blues |
| Lightness | medium-dark (46%) |
| Chroma | moderately saturated (0.071) |
| Temperature | cool |
| Nearest name | YInMn Blue (#415A77) |
| Black text | 2.98:1 |
| White text | 7.04:1 |
Values
| HEX | #305D7C |
| RGB | rgb(48, 93, 124) |
| HSL | hsl(204, 44%, 34%) |
| OKLCH | oklch(46% 0.071 240.8) |
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 #305D7C | 7.04:1 | AAA | Lc -89.2 | Fine for body text |
| Black text on #305D7C | 2.98:1 | Fails | Lc 19.8 | Dividers and decoration only |
| #305D7C text on white | 7.04:1 | AAA | Lc 84.2 | Fine for body text |
| #305D7C text on black | 2.98:1 | Fails | Lc -17.7 | 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
#AEC4D5
oklch(80.9% 0.034 241.2)
-
Step 400
400
#82A6C0
oklch(70.8% 0.055 239.9)
-
Step 500
500
#628FB0
oklch(63% 0.07 241)
-
Step 600
600
#48799C
oklch(55.6% 0.076 241.1)
-
Step 700
700 (this color)
#305D7C
oklch(46% 0.071 240.8)
-
Step 800
800
#2F536C
oklch(42.6% 0.059 240.4)
-
Step 900
900
#2A4558
oklch(37.7% 0.046 240.3)
-
Step 950
950
#192833
oklch(26.9% 0.029 241)
#305D7C 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) | #4F5D7D | 0.037 |
| Deuteranopia (no green cones) | #45557B | 0.032 |
| Tritanopia (no blue cones) | #006568 | 0.054 |
| Achromatopsia (no color) | #595959 | 0.071 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #305D7C
#305D7C
oklch(46% 0.071 240.8)
- #754E2D
#754E2D
oklch(46% 0.071 59.9)
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 #305D7C, 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 0.024
- Denim #3B638C ΔE 0.033
- Denim Blue #3B5B92 ΔE 0.041
- Petrol #005F6A ΔE 0.044
- Deep Sea Blue #015482 ΔE 0.045
- Dusk #4E5481 ΔE 0.045
- Dusty Grape #545775 ΔE 0.046
Use #305D7C 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.