#357799
Closest named color: Dull Blue (#49759C). oklch(54.1% 0.085 233.9), rgb(53, 119, 153).
Aa
White text reads best on this color (4.94:1).
About this color
#357799 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 54%, its chroma 0.085 and its hue 234°. Its hue sits on the cool side of the wheel. The nearest named color is Dull Blue (#49759C), ΔE 0.020 away. White text reads best on it, at 4.94:1.
| Hue family | Blues |
| Lightness | medium-dark (54%) |
| Chroma | moderately saturated (0.085) |
| Temperature | cool |
| Nearest name | Dull Blue (#49759C) |
| Black text | 4.25:1 |
| White text | 4.94:1 |
Values
| HEX | #357799 |
| RGB | rgb(53, 119, 153) |
| HSL | hsl(200, 49%, 40%) |
| OKLCH | oklch(54.1% 0.085 233.9) |
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 #357799 | 4.94:1 | AA | Lc -79.4 | Fine for body text |
| Black text on #357799 | 4.25:1 | AA large text | Lc 30.1 | Non-text elements, placeholder text |
| #357799 text on white | 4.94:1 | AA | Lc 74.0 | Content text, not long reading |
| #357799 text on black | 4.25:1 | AA large text | Lc -27.7 | 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 600.
-
Step 50
50
#F2F6F8
oklch(97.1% 0.005 228.8)
-
Step 100
100
#E3EBF0
oklch(93.5% 0.011 234.8)
-
Step 200
200
#CCDCE5
oklch(88.5% 0.021 232.2)
-
Step 300
300
#A9C5D6
oklch(80.8% 0.039 234.6)
-
Step 400
400
#7BA8C1
oklch(70.8% 0.061 233.1)
-
Step 500
500
#5792B2
oklch(63.2% 0.078 233.6)
-
Step 600
600 (this color)
#357799
oklch(54.1% 0.085 233.9)
-
Step 700
700
#2B6887
oklch(49.1% 0.08 233.9)
-
Step 800
800
#25556D
oklch(42.7% 0.065 232.9)
-
Step 900
900
#244659
oklch(37.7% 0.051 234.9)
-
Step 950
950
#162934
oklch(27% 0.032 235.1)
#357799 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) | #67769B | 0.055 |
| Deuteranopia (no green cones) | #596C98 | 0.046 |
| Tritanopia (no blue cones) | #008082 | 0.057 |
| Achromatopsia (no color) | #707070 | 0.085 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #357799
#357799
oklch(54.1% 0.085 233.9)
- #96613D
#96613D
oklch(54.2% 0.086 54.1)
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 #357799, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dull Blue #49759C ΔE 0.020
- Cerulean #457B9D ΔE 0.021
- Muted Blue #3B719F ΔE 0.023
- Sea Blue #047495 ΔE 0.027
- Metallic Blue #4F738E ΔE 0.028
- Ocean #017B92 ΔE 0.029
- Flat Blue #3C73A8 ΔE 0.030
- Stormy Blue #507B9C ΔE 0.030
Use #357799 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.