#355774
Closest named color: YInMn Blue (#415A77). oklch(44.4% 0.062 245.6), rgb(53, 87, 116).
Aa
White text reads best on this color (7.58:1).
About this color
#355774 is a dark, muted blue. In OKLCH its lightness is 44%, its chroma 0.062 and its hue 246°. Its hue sits on the cool side of the wheel. The nearest named color is YInMn Blue (#415A77), ΔE 0.019 away. White text reads best on it, at 7.58:1.
| Hue family | Blues |
| Lightness | dark (44%) |
| Chroma | muted (0.062) |
| Temperature | cool |
| Nearest name | YInMn Blue (#415A77) |
| Black text | 2.76:1 |
| White text | 7.58:1 |
Values
| HEX | #355774 |
| RGB | rgb(53, 87, 116) |
| HSL | hsl(208, 37%, 33%) |
| OKLCH | oklch(44.4% 0.062 245.6) |
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 #355774 | 7.58:1 | AAA | Lc -91.1 | Preferred for body text |
| Black text on #355774 | 2.76:1 | Fails | Lc 17.7 | Dividers and decoration only |
| #355774 text on white | 7.58:1 | AAA | Lc 86.3 | Fine for body text |
| #355774 text on black | 2.76:1 | Fails | Lc -15.8 | 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
#F3F6F9
oklch(97.2% 0.005 247.9)
-
Step 100
100
#E4EBF1
oklch(93.6% 0.011 243.7)
-
Step 200
200
#CFDBE6
oklch(88.6% 0.02 245.7)
-
Step 300
300
#AEC4D7
oklch(81% 0.036 244.3)
-
Step 400
400
#83A5C3
oklch(70.7% 0.058 245.4)
-
Step 500
500
#638EB4
oklch(63% 0.074 246)
-
Step 600
600
#4978A0
oklch(55.6% 0.081 245.6)
-
Step 700
700
#3A6589
oklch(49.2% 0.075 245.4)
-
Step 800
800 (this color)
#355774
oklch(44.4% 0.062 245.6)
-
Step 900
900
#2B445A
oklch(37.6% 0.049 246.1)
-
Step 950
950
#1A2835
oklch(27% 0.031 247.2)
#355774 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) | #4B5775 | 0.028 |
| Deuteranopia (no green cones) | #425173 | 0.022 |
| Tritanopia (no blue cones) | #125E61 | 0.052 |
| Achromatopsia (no color) | #545454 | 0.062 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #355774
#355774
oklch(44.4% 0.062 245.6)
- #6B4C2D
#6B4C2D
oklch(44.3% 0.062 65.1)
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 #355774, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- YInMn Blue #415A77 ΔE 0.019
- Light Navy Blue #2E5A88 ΔE 0.032
- Dusty Grape #545775 ΔE 0.042
- Dusk #4E5481 ΔE 0.042
- Deep Sea Blue #015482 ΔE 0.043
- Petrol #005F6A ΔE 0.046
- Light Navy #155084 ΔE 0.048
- Dusk Blue #26538D ΔE 0.048
Use #355774 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.