#314F79
Closest named color: Light Navy (#155084). oklch(42.5% 0.079 257), rgb(49, 79, 121).
Aa
White text reads best on this color (8.31:1).
About this color
#314F79 is a dark, moderately saturated blue. In OKLCH its lightness is 42%, its chroma 0.079 and its hue 257°. Its hue sits on the cool side of the wheel. The nearest named color is Light Navy (#155084), ΔE 0.028 away. White text reads best on it, at 8.31:1.
| Hue family | Blues |
| Lightness | dark (42%) |
| Chroma | moderately saturated (0.079) |
| Temperature | cool |
| Nearest name | Light Navy (#155084) |
| Black text | 2.52:1 |
| White text | 8.31:1 |
Values
| HEX | #314F79 |
| RGB | rgb(49, 79, 121) |
| HSL | hsl(215, 42%, 33%) |
| OKLCH | oklch(42.5% 0.079 257) |
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 #314F79 | 8.31:1 | AAA | Lc -93.2 | Preferred for body text |
| Black text on #314F79 | 2.52:1 | Fails | Lc 15.4 | Dividers and decoration only |
| #314F79 text on white | 8.31:1 | AAA | Lc 88.6 | Fine for body text |
| #314F79 text on black | 2.52:1 | Fails | Lc -13.6 | Not readable |
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
#F3F6FA
oklch(97.2% 0.006 255.5)
-
Step 100
100
#E4EAF3
oklch(93.5% 0.014 258.3)
-
Step 200
200
#CFDAEA
oklch(88.5% 0.025 257.6)
-
Step 300
300
#AEC2DF
oklch(80.8% 0.047 257.6)
-
Step 400
400
#83A3CF
oklch(70.8% 0.074 256.4)
-
Step 500
500
#648BC2
oklch(63.1% 0.094 257)
-
Step 600
600
#4B74AF
oklch(55.6% 0.103 257.5)
-
Step 700
700
#3C6196
oklch(49% 0.096 257.4)
-
Step 800
800 (this color)
#314F79
oklch(42.5% 0.079 257)
-
Step 900
900
#2C4262
oklch(37.6% 0.062 257.7)
-
Step 950
950
#1A2739
oklch(27% 0.038 256.7)
#314F79 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) | #3E527B | 0.020 |
| Deuteranopia (no green cones) | #354B78 | 0.012 |
| Tritanopia (no blue cones) | #00585E | 0.069 |
| Achromatopsia (no color) | #4E4E4E | 0.079 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #314F79
#314F79
oklch(42.5% 0.079 257)
- #664812
#664812
oklch(42.4% 0.079 77.6)
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 #314F79, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Navy #155084 ΔE 0.028
- Deep Sea Blue #015482 ΔE 0.032
- Dusk Blue #26538D ΔE 0.033
- Light Navy Blue #2E5A88 ΔE 0.037
- YInMn Blue #415A77 ΔE 0.042
- Dusk #4E5481 ΔE 0.045
- Cobalt #1E488F ΔE 0.049
- Twilight #4E518B ΔE 0.051
Use #314F79 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.