#315190
Closest named color: Dusk Blue (#26538D). oklch(44.4% 0.11 262.5), rgb(49, 81, 144).
Aa
White text reads best on this color (7.74:1).
About this color
#315190 is a dark, moderately saturated blue. In OKLCH its lightness is 44%, its chroma 0.110 and its hue 262°. Its hue sits on the cool side of the wheel. The nearest named color is Dusk Blue (#26538D), ΔE 0.013 away. White text reads best on it, at 7.74:1.
| Hue family | Blues |
| Lightness | dark (44%) |
| Chroma | moderately saturated (0.110) |
| Temperature | cool |
| Nearest name | Dusk Blue (#26538D) |
| Black text | 2.71:1 |
| White text | 7.74:1 |
Values
| HEX | #315190 |
| RGB | rgb(49, 81, 144) |
| HSL | hsl(220, 49%, 38%) |
| OKLCH | oklch(44.4% 0.11 262.5) |
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 #315190 | 7.74:1 | AAA | Lc -91.4 | Preferred for body text |
| Black text on #315190 | 2.71:1 | Fails | Lc 17.3 | Dividers and decoration only |
| #315190 text on white | 7.74:1 | AAA | Lc 86.7 | Fine for body text |
| #315190 text on black | 2.71:1 | Fails | Lc -15.4 | 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
#F2F6FB
oklch(97.2% 0.008 253.9)
-
Step 100
100
#E3EAF7
oklch(93.6% 0.019 263)
-
Step 200
200
#CDDAF2
oklch(88.6% 0.036 262.8)
-
Step 300
300
#AAC1EB
oklch(80.8% 0.065 262.4)
-
Step 400
400
#7EA0E1
oklch(70.6% 0.103 262.8)
-
Step 500
500
#5D87D9
oklch(63% 0.133 262.7)
-
Step 600
600
#4470C6
oklch(55.7% 0.142 262.3)
-
Step 700
700
#355DAB
oklch(49.1% 0.133 262.2)
-
Step 800
800 (this color)
#315190
oklch(44.4% 0.11 262.5)
-
Step 900
900
#28406F
oklch(37.7% 0.086 262.6)
-
Step 950
950
#182641
oklch(27.1% 0.054 262.5)
#315190 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) | #345792 | 0.018 |
| Deuteranopia (no green cones) | #254E8F | 0.016 |
| Tritanopia (no blue cones) | #005F69 | 0.092 |
| Achromatopsia (no color) | #535353 | 0.110 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #315190
#315190
oklch(44.4% 0.11 262.5)
- #6C4E00
#6C4E00
oklch(44.4% 0.091 83)
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 #315190, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusk Blue #26538D ΔE 0.013
- Light Navy Blue #2E5A88 ΔE 0.032
- Light Navy #155084 ΔE 0.032
- Denim Blue #3B5B92 ΔE 0.033
- Cobalt #1E488F ΔE 0.034
- Twilight #4E518B ΔE 0.038
- Deep Sea Blue #015482 ΔE 0.041
- Dusk #4E5481 ΔE 0.047
Use #315190 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.