#313895
Closest named color: Sapphire (#2138AB). oklch(39.5% 0.15 273.9), rgb(49, 56, 149).
Aa
White text reads best on this color (9.85:1).
About this color
#313895 is a dark, vivid blue. In OKLCH its lightness is 40%, its chroma 0.150 and its hue 274°. Its hue sits on the cool side of the wheel. The nearest named color is Sapphire (#2138AB), ΔE 0.040 away. White text reads best on it, at 9.85:1.
| Hue family | Blues |
| Lightness | dark (40%) |
| Chroma | vivid (0.150) |
| Temperature | cool |
| Nearest name | Sapphire (#2138AB) |
| Black text | 2.13:1 |
| White text | 9.85:1 |
Values
| HEX | #313895 |
| RGB | rgb(49, 56, 149) |
| HSL | hsl(236, 51%, 39%) |
| OKLCH | oklch(39.5% 0.15 273.9) |
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 #313895 | 9.85:1 | AAA | Lc -96.6 | Preferred for body text |
| Black text on #313895 | 2.13:1 | Fails | Lc 11.5 | Not readable |
| #313895 text on white | 9.85:1 | AAA | Lc 92.4 | Preferred for body text |
| #313895 text on black | 2.13:1 | Fails | Lc -10.0 | 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 900.
-
Step 50
50
#F2F5FF
oklch(97.1% 0.014 272.7)
-
Step 100
100
#E3E9FF
oklch(93.6% 0.03 273.6)
-
Step 200
200
#CDD7FF
oklch(88.4% 0.056 274.2)
-
Step 300
300
#ADBCFF
oklch(80.8% 0.096 274.3)
-
Step 400
400
#8497FF
oklch(70.7% 0.153 274)
-
Step 500
500
#6878FF
oklch(63.1% 0.199 274.1)
-
Step 600
600
#5054FF
oklch(55.6% 0.246 273.9)
-
Step 700
700
#4241E1
oklch(49.1% 0.233 273.9)
-
Step 800
800
#3637B5
oklch(42.6% 0.193 274.2)
-
Step 900
900 (this color)
#313895
oklch(39.5% 0.15 273.9)
-
Step 950
950
#1A1F54
oklch(27.1% 0.095 274.1)
#313895 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) | #004898 | 0.049 |
| Deuteranopia (no green cones) | #003F93 | 0.040 |
| Tritanopia (no blue cones) | #004F61 | 0.123 |
| Achromatopsia (no color) | #434343 | 0.151 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #313895
#313895
oklch(39.5% 0.15 273.9)
- #554500
#554500
oklch(39.6% 0.081 93.8)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes and gradients that use #313895
These curated palettes and gradients contain exactly #313895. Open one to see the full color scheme around it.
Gradients
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sapphire #2138AB ΔE 0.040
- Blueberry #464196 ΔE 0.041
- Dark Slate Blue #483D8B ΔE 0.043
- Cobalt #1E488F ΔE 0.045
- Twilight Blue #0A437A ΔE 0.065
- Indigo Blue #3A18B1 ΔE 0.067
- Dusk Blue #26538D ΔE 0.074
- Light Navy #155084 ΔE 0.075
Use #313895 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.