#344BB1
Closest named color: Blue Blue (#2242C7). oklch(45.7% 0.164 269.2), rgb(52, 75, 177).
Aa
White text reads best on this color (7.53:1).
About this color
#344BB1 is a medium-dark, vivid blue. In OKLCH its lightness is 46%, its chroma 0.164 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 7.53:1.
| Hue family | Blues |
| Lightness | medium-dark (46%) |
| Chroma | vivid (0.164) |
| Temperature | cool |
| Nearest name | Blue Blue (#2242C7) |
| Black text | 2.78:1 |
| White text | 7.53:1 |
Values
| HEX | #344BB1 |
| RGB | rgb(52, 75, 177) |
| HSL | hsl(229, 55%, 45%) |
| OKLCH | oklch(45.7% 0.164 269.2) |
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 #344BB1 | 7.53:1 | AAA | Lc -90.6 | Preferred for body text |
| Black text on #344BB1 | 2.78:1 | Fails | Lc 18.3 | Dividers and decoration only |
| #344BB1 text on white | 7.53:1 | AAA | Lc 85.7 | Fine for body text |
| #344BB1 text on black | 2.78:1 | Fails | Lc -16.3 | 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 800.
-
Step 50
50
#F2F5FE
oklch(97% 0.012 271.3)
-
Step 100
100
#E2EAFD
oklch(93.7% 0.027 267.5)
-
Step 200
200
#CBD8FD
oklch(88.4% 0.053 270)
-
Step 300
300
#A8BEFF
oklch(80.9% 0.096 269.8)
-
Step 400
400
#7A9AFF
oklch(70.7% 0.152 269)
-
Step 500
500
#5B7CFE
oklch(63% 0.196 269.3)
-
Step 600
600
#4461EE
oklch(55.6% 0.214 269.3)
-
Step 700
700
#364FCF
oklch(49.1% 0.199 269.1)
-
Step 800
800 (this color)
#344BB1
oklch(45.7% 0.164 269.2)
-
Step 900
900
#273984
oklch(37.6% 0.128 269.2)
-
Step 950
950
#17224D
oklch(26.9% 0.081 269.5)
#344BB1 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) | #005AB4 | 0.044 |
| Deuteranopia (no green cones) | #004FAF | 0.033 |
| Tritanopia (no blue cones) | #006476 | 0.133 |
| Achromatopsia (no color) | #545454 | 0.165 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #344BB1
#344BB1
oklch(45.7% 0.164 269.2)
- #6C5400
#6C5400
oklch(45.8% 0.094 89.5)
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 #344BB1, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blue Blue #2242C7 ΔE 0.045
- Blueberry #464196 ΔE 0.052
- Sapphire #2138AB ΔE 0.054
- Majorelle Blue #3F37C9 ΔE 0.056
- Blue With A Hint Of Purple #533CC6 ΔE 0.060
- Cobalt #1E488F ΔE 0.061
- Dusk Blue #26538D ΔE 0.066
- Blurple #5539CC ΔE 0.069
Use #344BB1 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.