#356C91
Closest named color: Muted Blue (#3B719F). oklch(51% 0.083 240.5), rgb(53, 108, 145).
Aa
White text reads best on this color (5.66:1).
About this color
#356C91 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 51%, its chroma 0.083 and its hue 240°. Its hue sits on the cool side of the wheel. The nearest named color is Muted Blue (#3B719F), ΔE 0.026 away. White text reads best on it, at 5.66:1.
| Hue family | Blues |
| Lightness | medium-dark (51%) |
| Chroma | moderately saturated (0.083) |
| Temperature | cool |
| Nearest name | Muted Blue (#3B719F) |
| Black text | 3.70:1 |
| White text | 5.66:1 |
Values
| HEX | #356C91 |
| RGB | rgb(53, 108, 145) |
| HSL | hsl(204, 46%, 39%) |
| OKLCH | oklch(51% 0.083 240.5) |
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 #356C91 | 5.66:1 | AA | Lc -83.4 | Fine for body text |
| Black text on #356C91 | 3.70:1 | AA large text | Lc 25.9 | Dividers and decoration only |
| #356C91 text on white | 5.66:1 | AA | Lc 78.2 | Fine for body text |
| #356C91 text on black | 3.70:1 | AA large text | Lc -23.6 | 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 700.
-
Step 50
50
#F2F6F9
oklch(97.1% 0.006 239.8)
-
Step 100
100
#E3EBF1
oklch(93.6% 0.012 239.9)
-
Step 200
200
#CDDBE7
oklch(88.4% 0.022 243.8)
-
Step 300
300
#AAC5D8
oklch(80.9% 0.04 238.7)
-
Step 400
400
#7CA6C5
oklch(70.6% 0.064 240.8)
-
Step 500
500
#5A90B6
oklch(63.1% 0.081 240.4)
-
Step 600
600
#3E7AA2
oklch(55.7% 0.088 240.1)
-
Step 700
700 (this color)
#356C91
oklch(51% 0.083 240.5)
-
Step 800
800
#285471
oklch(42.8% 0.069 239.9)
-
Step 900
900
#25455B
oklch(37.6% 0.054 240.3)
-
Step 950
950
#172935
oklch(27.1% 0.033 238.8)
#356C91 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) | #5B6C93 | 0.044 |
| Deuteranopia (no green cones) | #4F6390 | 0.036 |
| Tritanopia (no blue cones) | #007579 | 0.060 |
| Achromatopsia (no color) | #676767 | 0.083 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #356C91
#356C91
oklch(51% 0.083 240.5)
- #895A32
#895A32
oklch(51% 0.083 59.7)
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 #356C91, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Muted Blue #3B719F ΔE 0.026
- Denim #3B638C ΔE 0.026
- Ocean Blue #03719C ΔE 0.028
- Sea Blue #047495 ΔE 0.030
- Peacock Blue #016795 ΔE 0.034
- Metallic Blue #4F738E ΔE 0.037
- Dull Blue #49759C ΔE 0.038
- Flat Blue #3C73A8 ΔE 0.040
Use #356C91 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.