#313995
Closest named color: Blueberry (#464196). oklch(39.7% 0.149 273.7), rgb(49, 57, 149).
Aa
White text reads best on this color (9.76:1).
About this color
#313995 is a dark, vivid blue. In OKLCH its lightness is 40%, its chroma 0.149 and its hue 274°. Its hue sits on the cool side of the wheel. The nearest named color is Blueberry (#464196), ΔE 0.040 away. White text reads best on it, at 9.76:1.
| Hue family | Blues |
| Lightness | dark (40%) |
| Chroma | vivid (0.149) |
| Temperature | cool |
| Nearest name | Blueberry (#464196) |
| Black text | 2.14:1 |
| White text | 9.76:1 |
Values
| HEX | #313995 |
| RGB | rgb(49, 57, 149) |
| HSL | hsl(235, 51%, 39%) |
| OKLCH | oklch(39.7% 0.149 273.7) |
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 #313995 | 9.76:1 | AAA | Lc -96.4 | Preferred for body text |
| Black text on #313995 | 2.14:1 | Fails | Lc 11.8 | Not readable |
| #313995 text on white | 9.76:1 | AAA | Lc 92.2 | Preferred for body text |
| #313995 text on black | 2.14:1 | Fails | Lc -10.2 | 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
#ADBDFF
oklch(81% 0.095 273.6)
-
Step 400
400
#8397FF
oklch(70.7% 0.153 273.6)
-
Step 500
500
#6778FF
oklch(63% 0.199 273.8)
-
Step 600
600
#4F55FF
oklch(55.7% 0.246 273.5)
-
Step 700
700
#4142E0
oklch(49.1% 0.231 273.6)
-
Step 800
800
#3538B5
oklch(42.7% 0.192 273.7)
-
Step 900
900 (this color)
#313995
oklch(39.7% 0.149 273.7)
-
Step 950
950
#191F53
oklch(26.9% 0.094 273.3)
#313995 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 | 0.047 |
| Deuteranopia (no green cones) | #003F93 | 0.039 |
| Tritanopia (no blue cones) | #005061 | 0.123 |
| Achromatopsia (no color) | #444444 | 0.149 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #313995
#313995
oklch(39.7% 0.149 273.7)
- #564500
#564500
oklch(39.7% 0.081 92.8)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #313995, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blueberry #464196 ΔE 0.040
- Sapphire #2138AB ΔE 0.040
- Dark Slate Blue #483D8B ΔE 0.042
- Cobalt #1E488F ΔE 0.043
- Twilight Blue #0A437A ΔE 0.063
- Indigo Blue #3A18B1 ΔE 0.069
- Dusk Blue #26538D ΔE 0.072
- Light Navy #155084 ΔE 0.073
Use #313995 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.