#344DB4
Closest named color: Blue Blue (#2242C7). oklch(46.3% 0.166 268.7), rgb(52, 77, 180).
Aa
White text reads best on this color (7.32:1).
About this color
#344DB4 is a medium-dark, vivid blue. In OKLCH its lightness is 46%, its chroma 0.166 and its hue 269°. Its hue sits on the cool side of the wheel. The nearest named color is Blue Blue (#2242C7), ΔE 0.045 away. White text reads best on it, at 7.32:1.
| Hue family | Blues |
| Lightness | medium-dark (46%) |
| Chroma | vivid (0.166) |
| Temperature | cool |
| Nearest name | Blue Blue (#2242C7) |
| Black text | 2.86:1 |
| White text | 7.32:1 |
Values
| HEX | #344DB4 |
| RGB | rgb(52, 77, 180) |
| HSL | hsl(228, 55%, 45%) |
| OKLCH | oklch(46.3% 0.166 268.7) |
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 #344DB4 | 7.32:1 | AAA | Lc -89.9 | Fine for body text |
| Black text on #344DB4 | 2.86:1 | Fails | Lc 19.0 | Dividers and decoration only |
| #344DB4 text on white | 7.32:1 | AAA | Lc 85.0 | Fine for body text |
| #344DB4 text on black | 2.86:1 | Fails | Lc -17.0 | 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
#CDD9F8
oklch(88.6% 0.045 268.7)
-
Step 300
300
#ABBFF5
oklch(80.9% 0.08 268.8)
-
Step 400
400
#7F9CF1
oklch(70.7% 0.129 268.7)
-
Step 500
500
#6181EC
oklch(63.1% 0.164 268.8)
-
Step 600
600
#4968DA
oklch(55.7% 0.178 268.6)
-
Step 700
700 (this color)
#344DB4
oklch(46.3% 0.166 268.7)
-
Step 800
800
#314799
oklch(42.8% 0.136 268.7)
-
Step 900
900
#2A3C7A
oklch(37.7% 0.108 268.6)
-
Step 950
950
#192447
oklch(27.1% 0.067 268.5)
#344DB4 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) | #005CB8 | 0.043 |
| Deuteranopia (no green cones) | #0050B2 | 0.032 |
| Tritanopia (no blue cones) | #006679 | 0.133 |
| Achromatopsia (no color) | #565656 | 0.166 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #344DB4
#344DB4
oklch(46.3% 0.166 268.7)
- #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 #344DB4, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blue Blue #2242C7 ΔE 0.045
- Majorelle Blue #3F37C9 ΔE 0.056
- Blueberry #464196 ΔE 0.058
- Blue With A Hint Of Purple #533CC6 ΔE 0.059
- Sapphire #2138AB ΔE 0.059
- Cobalt #1E488F ΔE 0.066
- Blurple #5539CC ΔE 0.068
- Dusk Blue #26538D ΔE 0.069
Use #344DB4 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.