#315671
Closest named color: YInMn Blue (#415A77). oklch(43.8% 0.062 241.7), rgb(49, 86, 113).
Aa
White text reads best on this color (7.77:1).
About this color
#315671 is a dark, muted blue. In OKLCH its lightness is 44%, its chroma 0.062 and its hue 242°. Its hue sits on the cool side of the wheel. The nearest named color is YInMn Blue (#415A77), ΔE 0.026 away. White text reads best on it, at 7.77:1.
| Hue family | Blues |
| Lightness | dark (44%) |
| Chroma | muted (0.062) |
| Temperature | cool |
| Nearest name | YInMn Blue (#415A77) |
| Black text | 2.70:1 |
| White text | 7.77:1 |
Values
| HEX | #315671 |
| RGB | rgb(49, 86, 113) |
| HSL | hsl(205, 40%, 32%) |
| OKLCH | oklch(43.8% 0.062 241.7) |
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 #315671 | 7.77:1 | AAA | Lc -91.6 | Preferred for body text |
| Black text on #315671 | 2.70:1 | Fails | Lc 17.1 | Dividers and decoration only |
| #315671 text on white | 7.77:1 | AAA | Lc 86.9 | Fine for body text |
| #315671 text on black | 2.70:1 | Fails | Lc -15.2 | 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
#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
#ADC4D6
oklch(80.9% 0.036 241.6)
-
Step 400
400
#81A6C2
oklch(70.8% 0.058 241.3)
-
Step 500
500
#608FB2
oklch(63% 0.074 241.6)
-
Step 600
600
#46799E
oklch(55.6% 0.08 241.7)
-
Step 700
700
#376687
oklch(49.1% 0.074 241.1)
-
Step 800
800 (this color)
#315671
oklch(43.8% 0.062 241.7)
-
Step 900
900
#294559
oklch(37.7% 0.048 240.8)
-
Step 950
950
#192834
oklch(26.9% 0.03 243.3)
#315671 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) | #4A5672 | 0.032 |
| Deuteranopia (no green cones) | #424F71 | 0.028 |
| Tritanopia (no blue cones) | #065D5F | 0.051 |
| Achromatopsia (no color) | #525252 | 0.062 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #315671
#315671
oklch(43.8% 0.062 241.7)
- #6A4A2D
#6A4A2D
oklch(43.7% 0.061 62.3)
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 #315671, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- YInMn Blue #415A77 ΔE 0.026
- Light Navy Blue #2E5A88 ΔE 0.037
- Deep Sea Blue #015482 ΔE 0.042
- Petrol #005F6A ΔE 0.043
- Light Navy #155084 ΔE 0.047
- Dusty Grape #545775 ΔE 0.048
- Dusk #4E5481 ΔE 0.049
- Dusk Blue #26538D ΔE 0.050
Use #315671 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.