#355C7A
Closest named color: YInMn Blue (#415A77). oklch(45.9% 0.066 243.1), rgb(53, 92, 122).
Aa
White text reads best on this color (7.08:1).
About this color
#355C7A is a medium-dark, muted blue. In OKLCH its lightness is 46%, its chroma 0.066 and its hue 243°. Its hue sits on the cool side of the wheel. The nearest named color is YInMn Blue (#415A77), ΔE 0.014 away. White text reads best on it, at 7.08:1.
| Hue family | Blues |
| Lightness | medium-dark (46%) |
| Chroma | muted (0.066) |
| Temperature | cool |
| Nearest name | YInMn Blue (#415A77) |
| Black text | 2.96:1 |
| White text | 7.08:1 |
Values
| HEX | #355C7A |
| RGB | rgb(53, 92, 122) |
| HSL | hsl(206, 39%, 34%) |
| OKLCH | oklch(45.9% 0.066 243.1) |
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 #355C7A | 7.08:1 | AAA | Lc -89.4 | Fine for body text |
| Black text on #355C7A | 2.96:1 | Fails | Lc 19.6 | Dividers and decoration only |
| #355C7A text on white | 7.08:1 | AAA | Lc 84.5 | Fine for body text |
| #355C7A text on black | 2.96:1 | Fails | Lc -17.5 | 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
#F3F6F8
oklch(97.1% 0.004 236.5)
-
Step 100
100
#E5EBF0
oklch(93.7% 0.009 242.8)
-
Step 200
200
#D0DBE4
oklch(88.6% 0.017 242.5)
-
Step 300
300
#B0C4D4
oklch(81% 0.031 242.1)
-
Step 400
400
#85A5BF
oklch(70.7% 0.052 243)
-
Step 500
500
#668EAE
oklch(63% 0.066 243.2)
-
Step 600
600
#4D789A
oklch(55.5% 0.071 243.4)
-
Step 700
700 (this color)
#355C7A
oklch(45.9% 0.066 243.1)
-
Step 800
800
#33536B
oklch(42.8% 0.055 242.1)
-
Step 900
900
#2D4457
oklch(37.6% 0.044 244.2)
-
Step 950
950
#1B2833
oklch(27% 0.027 244.6)
#355C7A 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) | #4F5C7B | 0.033 |
| Deuteranopia (no green cones) | #465579 | 0.027 |
| Tritanopia (no blue cones) | #066366 | 0.055 |
| Achromatopsia (no color) | #585858 | 0.066 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #355C7A
#355C7A
oklch(45.9% 0.066 243.1)
- #724F2F
#724F2F
oklch(45.8% 0.066 62.4)
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 #355C7A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- YInMn Blue #415A77 ΔE 0.014
- Light Navy Blue #2E5A88 ΔE 0.026
- Denim #3B638C ΔE 0.034
- Dusty Grape #545775 ΔE 0.040
- Dusk #4E5481 ΔE 0.042
- Denim Blue #3B5B92 ΔE 0.042
- Petrol #005F6A ΔE 0.046
- Deep Sea Blue #015482 ΔE 0.048
Use #355C7A 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.