#344BA8
Closest named color: Blueberry (#464196). oklch(45% 0.152 269), rgb(52, 75, 168).
Aa
White text reads best on this color (7.72:1).
About this color
#344BA8 is a dark, vivid blue. In OKLCH its lightness is 45%, its chroma 0.152 and its hue 269°. Its hue sits on the cool side of the wheel. The nearest named color is Blueberry (#464196), ΔE 0.042 away. White text reads best on it, at 7.72:1.
| Hue family | Blues |
| Lightness | dark (45%) |
| Chroma | vivid (0.152) |
| Temperature | cool |
| Nearest name | Blueberry (#464196) |
| Black text | 2.71:1 |
| White text | 7.72:1 |
Values
| HEX | #344BA8 |
| RGB | rgb(52, 75, 168) |
| HSL | hsl(228, 53%, 43%) |
| OKLCH | oklch(45% 0.152 269) |
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 #344BA8 | 7.72:1 | AAA | Lc -91.2 | Preferred for body text |
| Black text on #344BA8 | 2.71:1 | Fails | Lc 17.6 | Dividers and decoration only |
| #344BA8 text on white | 7.72:1 | AAA | Lc 86.4 | Fine for body text |
| #344BA8 text on black | 2.71:1 | Fails | Lc -15.6 | 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
#E3EAFC
oklch(93.7% 0.025 268.8)
-
Step 200
200
#CCD9FB
oklch(88.6% 0.049 268.8)
-
Step 300
300
#A9BFFB
oklch(81% 0.089 268.8)
-
Step 400
400
#7D9BF9
oklch(70.8% 0.142 269.2)
-
Step 500
500
#5E7FF6
oklch(63.2% 0.181 269.1)
-
Step 600
600
#4664E4
oklch(55.5% 0.197 269)
-
Step 700
700
#3852C7
oklch(49.1% 0.184 269)
-
Step 800
800 (this color)
#344BA8
oklch(45% 0.152 269)
-
Step 900
900
#293B7F
oklch(37.8% 0.117 269)
-
Step 950
950
#18234B
oklch(27.1% 0.075 269.3)
#344BA8 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) | #0058AB | 0.041 |
| Deuteranopia (no green cones) | #004EA6 | 0.034 |
| Tritanopia (no blue cones) | #006172 | 0.123 |
| Achromatopsia (no color) | #535353 | 0.152 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #344BA8
#344BA8
oklch(45% 0.152 269)
- #6A5200
#6A5200
oklch(45.1% 0.092 89.1)
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 #344BA8, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blueberry #464196 ΔE 0.042
- Cobalt #1E488F ΔE 0.048
- Dusk Blue #26538D ΔE 0.053
- Sapphire #2138AB ΔE 0.054
- Blue Blue #2242C7 ΔE 0.057
- Dark Slate Blue #483D8B ΔE 0.060
- Denim Blue #3B5B92 ΔE 0.062
- Twilight #4E518B ΔE 0.063
Use #344BA8 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.