#5376AA
Closest named color: Dull Blue (#49759C). oklch(56.2% 0.091 258.1), rgb(83, 118, 170).
Aa
White text reads best on this color (4.62:1).
About this color
#5376AA is a medium-dark, moderately saturated blue. In OKLCH its lightness is 56%, its chroma 0.091 and its hue 258°. Its hue sits on the cool side of the wheel. The nearest named color is Dull Blue (#49759C), ΔE 0.026 away. White text reads best on it, at 4.62:1.
| Hue family | Blues |
| Lightness | medium-dark (56%) |
| Chroma | moderately saturated (0.091) |
| Temperature | cool |
| Nearest name | Dull Blue (#49759C) |
| Black text | 4.53:1 |
| White text | 4.62:1 |
Values
| HEX | #5376AA |
| RGB | rgb(83, 118, 170) |
| HSL | hsl(216, 34%, 50%) |
| OKLCH | oklch(56.2% 0.091 258.1) |
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 #5376AA | 4.62:1 | AA | Lc -77.5 | Fine for body text |
| Black text on #5376AA | 4.53:1 | AA | Lc 32.1 | Non-text elements, placeholder text |
| #5376AA text on white | 4.62:1 | AA | Lc 72.0 | Content text, not long reading |
| #5376AA text on black | 4.53:1 | AA | Lc -29.7 | 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
#F3F6F9
oklch(97.2% 0.005 247.9)
-
Step 100
100
#E5EAF2
oklch(93.6% 0.012 259.8)
-
Step 200
200
#D0DAE8
oklch(88.5% 0.022 256.7)
-
Step 300
300
#B1C2DB
oklch(80.9% 0.04 257.9)
-
Step 400
400
#88A2CA
oklch(70.7% 0.066 258.9)
-
Step 500
500
#6A8BBC
oklch(63.1% 0.083 258.1)
-
Step 600
600 (this color)
#5376AA
oklch(56.2% 0.091 258.1)
-
Step 700
700
#426190
oklch(49% 0.084 258.5)
-
Step 800
800
#365075
oklch(42.8% 0.07 257.2)
-
Step 900
900
#2F425E
oklch(37.6% 0.054 257.9)
-
Step 950
950
#1C2737
oklch(27% 0.034 257.7)
#5376AA 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) | #6279AC | 0.021 |
| Deuteranopia (no green cones) | #5771A9 | 0.014 |
| Tritanopia (no blue cones) | #2A8188 | 0.080 |
| Achromatopsia (no color) | #757575 | 0.091 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5376AA
#5376AA
oklch(56.2% 0.091 258.1)
- #926E31
#926E31
oklch(56.2% 0.09 78.2)
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 #5376AA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dull Blue #49759C ΔE 0.026
- Flat Blue #3C73A8 ΔE 0.027
- Stormy Blue #507B9C ΔE 0.030
- Cerulean #457B9D ΔE 0.032
- Steel Blue #4682B4 ΔE 0.034
- Muted Blue #3B719F ΔE 0.035
- Windows Blue #3778BF ΔE 0.040
- French Blue #436BAD ΔE 0.040
Use #5376AA 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.