#319AEA
Closest named color: Chefchaouen Blue (#4895EF). oklch(66.5% 0.151 246.3), rgb(49, 154, 234).
Aa
Black text reads best on this color (6.94:1).
About this color
#319AEA is a medium-light, vivid blue. In OKLCH its lightness is 67%, its chroma 0.151 and its hue 246°. Its hue sits on the cool side of the wheel. The nearest named color is Chefchaouen Blue (#4895EF), ΔE 0.021 away. Black text reads best on it, at 6.94:1.
| Hue family | Blues |
| Lightness | medium-light (67%) |
| Chroma | vivid (0.151) |
| Temperature | cool |
| Nearest name | Chefchaouen Blue (#4895EF) |
| Black text | 6.94:1 |
| White text | 3.02:1 |
Values
| HEX | #319AEA |
| RGB | rgb(49, 154, 234) |
| HSL | hsl(206, 81%, 55%) |
| OKLCH | oklch(66.5% 0.151 246.3) |
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 #319AEA | 3.02:1 | AA large text | Lc -61.9 | Content text, not long reading |
| Black text on #319AEA | 6.94:1 | AA | Lc 47.5 | Large or bold text, headings |
| #319AEA text on white | 3.02:1 | AA large text | Lc 56.6 | Large or bold text, headings |
| #319AEA text on black | 6.94:1 | AA | Lc -45.2 | Large or bold text, headings |
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 500.
-
Step 50
50
#F0F6FC
oklch(97% 0.01 247.9)
-
Step 100
100
#DFECF8
oklch(93.7% 0.021 245.9)
-
Step 200
200
#C4DCF3
oklch(88.4% 0.041 247.1)
-
Step 300
300
#9AC6EE
oklch(80.9% 0.074 246.3)
-
Step 400
400
#5EA7E6
oklch(70.7% 0.118 246.5)
-
Step 500
500 (this color)
#319AEA
oklch(66.5% 0.151 246.3)
-
Step 600
600
#0078C2
oklch(55.6% 0.145 246.5)
-
Step 700
700
#0065A4
oklch(49.2% 0.127 246.3)
-
Step 800
800
#005287
oklch(42.6% 0.111 246.5)
-
Step 900
900
#004472
oklch(37.6% 0.099 246.8)
-
Step 950
950
#062843
oklch(26.9% 0.063 247.1)
#319AEA 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) | #749DED | 0.058 |
| Deuteranopia (no green cones) | #5A8DE8 | 0.042 |
| Tritanopia (no blue cones) | #00ADB7 | 0.107 |
| Achromatopsia (no color) | #949494 | 0.151 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #319AEA
#319AEA
oklch(66.5% 0.151 246.3)
- #CF7E00
#CF7E00
oklch(66.5% 0.148 66.3)
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 #319AEA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Chefchaouen Blue #4895EF ΔE 0.021
- Dark Sky Blue #448EE4 ΔE 0.032
- Cornflower Blue #6495ED ΔE 0.041
- Dodger Blue #1E90FF ΔE 0.046
- Soft Blue #6488EA ΔE 0.058
- Water Blue #0E87CC ΔE 0.068
- Faded Blue #658CBB ΔE 0.077
- Cool Blue #4984B8 ΔE 0.085
Use #319AEA 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.