#354EBB
Closest named color: Blue Blue (#2242C7). oklch(47.2% 0.174 268.9), rgb(53, 78, 187).
Aa
White text reads best on this color (7.09:1).
About this color
#354EBB is a medium-dark, vivid blue. In OKLCH its lightness is 47%, its chroma 0.174 and its hue 269°. Its hue sits on the cool side of the wheel. The nearest named color is Blue Blue (#2242C7), ΔE 0.040 away. White text reads best on it, at 7.09:1.
| Hue family | Blues |
| Lightness | medium-dark (47%) |
| Chroma | vivid (0.174) |
| Temperature | cool |
| Nearest name | Blue Blue (#2242C7) |
| Black text | 2.95:1 |
| White text | 7.09:1 |
Values
| HEX | #354EBB |
| RGB | rgb(53, 78, 187) |
| HSL | hsl(229, 56%, 47%) |
| OKLCH | oklch(47.2% 0.174 268.9) |
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 #354EBB | 7.09:1 | AAA | Lc -89.1 | Fine for body text |
| Black text on #354EBB | 2.95:1 | Fails | Lc 19.9 | Dividers and decoration only |
| #354EBB text on white | 7.09:1 | AAA | Lc 84.1 | Fine for body text |
| #354EBB text on black | 2.95:1 | Fails | Lc -17.9 | 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
#E3EAFB
oklch(93.7% 0.024 267.9)
-
Step 200
200
#CCD9F9
oklch(88.6% 0.046 267.9)
-
Step 300
300
#AABFF8
oklch(80.9% 0.084 268.8)
-
Step 400
400
#7E9CF4
oklch(70.8% 0.134 268.6)
-
Step 500
500
#5F80F0
oklch(63.1% 0.172 268.8)
-
Step 600
600
#4866DF
oklch(55.6% 0.187 269)
-
Step 700
700 (this color)
#354EBB
oklch(47.2% 0.174 268.9)
-
Step 800
800
#30459C
oklch(42.6% 0.144 269.2)
-
Step 900
900
#2A3B7C
oklch(37.6% 0.112 269.4)
-
Step 950
950
#182349
oklch(26.9% 0.072 269)
#354EBB 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) | #005FBF | 0.047 |
| Deuteranopia (no green cones) | #0052B9 | 0.032 |
| Tritanopia (no blue cones) | #00697D | 0.139 |
| Achromatopsia (no color) | #585858 | 0.174 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #354EBB
#354EBB
oklch(47.2% 0.174 268.9)
- #715800
#715800
oklch(47.3% 0.097 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 #354EBB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blue Blue #2242C7 ΔE 0.040
- Majorelle Blue #3F37C9 ΔE 0.052
- Blue With A Hint Of Purple #533CC6 ΔE 0.054
- Blurple #5539CC ΔE 0.062
- Warm Blue #4B57DB ΔE 0.062
- Sapphire #2138AB ΔE 0.066
- Blueberry #464196 ΔE 0.067
- Bluey Purple #6241C7 ΔE 0.069
Use #354EBB 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.