#314EB3
Closest named color: Blue Blue (#2242C7). oklch(46.3% 0.164 267.4), rgb(49, 78, 179).
Aa
White text reads best on this color (7.31:1).
About this color
#314EB3 is a medium-dark, vivid blue. In OKLCH its lightness is 46%, its chroma 0.164 and its hue 267°. Its hue sits on the cool side of the wheel. The nearest named color is Blue Blue (#2242C7), ΔE 0.046 away. White text reads best on it, at 7.31:1.
| Hue family | Blues |
| Lightness | medium-dark (46%) |
| Chroma | vivid (0.164) |
| Temperature | cool |
| Nearest name | Blue Blue (#2242C7) |
| Black text | 2.87:1 |
| White text | 7.31:1 |
Values
| HEX | #314EB3 |
| RGB | rgb(49, 78, 179) |
| HSL | hsl(227, 57%, 45%) |
| OKLCH | oklch(46.3% 0.164 267.4) |
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 #314EB3 | 7.31:1 | AAA | Lc -89.8 | Fine for body text |
| Black text on #314EB3 | 2.87:1 | Fails | Lc 19.1 | Dividers and decoration only |
| #314EB3 text on white | 7.31:1 | AAA | Lc 84.9 | Fine for body text |
| #314EB3 text on black | 2.87:1 | Fails | Lc -17.1 | 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 700.
-
Step 50
50
#F2F5FD
oklch(97% 0.011 269.6)
-
Step 100
100
#E3EAFA
oklch(93.6% 0.023 266.9)
-
Step 200
200
#CCD9F7
oklch(88.5% 0.044 266.9)
-
Step 300
300
#AAC0F5
oklch(81% 0.079 267.1)
-
Step 400
400
#7E9DF0
oklch(70.7% 0.127 267.6)
-
Step 500
500
#5E82EB
oklch(63.1% 0.163 267.4)
-
Step 600
600
#4669D9
oklch(55.6% 0.176 267.4)
-
Step 700
700 (this color)
#314EB3
oklch(46.3% 0.164 267.4)
-
Step 800
800
#2E4798
oklch(42.6% 0.136 267.4)
-
Step 900
900
#293D79
oklch(37.8% 0.105 267.4)
-
Step 950
950
#182447
oklch(27% 0.067 267.5)
#314EB3 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) | #005CB6 | 0.040 |
| Deuteranopia (no green cones) | #0050B1 | 0.029 |
| Tritanopia (no blue cones) | #006779 | 0.131 |
| Achromatopsia (no color) | #565656 | 0.164 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #314EB3
#314EB3
oklch(46.3% 0.164 267.4)
- #6F5500
#6F5500
oklch(46.4% 0.095 88)
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 #314EB3, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blue Blue #2242C7 ΔE 0.046
- Blueberry #464196 ΔE 0.058
- Majorelle Blue #3F37C9 ΔE 0.059
- Sapphire #2138AB ΔE 0.060
- Blue With A Hint Of Purple #533CC6 ΔE 0.063
- Cobalt #1E488F ΔE 0.064
- Dusk Blue #26538D ΔE 0.066
- Denim Blue #3B5B92 ΔE 0.069
Use #314EB3 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.